forked from OSchip/llvm-project
404 lines
16 KiB
C++
404 lines
16 KiB
C++
// RUN: not %clang_cc1 -triple x86_64-unknown-unknown -Wno-unused-value -fcxx-exceptions -std=gnu++17 -frecovery-ast -frecovery-ast-type -ast-dump %s | FileCheck -strict-whitespace %s
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// RUN: not %clang_cc1 -triple x86_64-unknown-unknown -Wno-unused-value -fcxx-exceptions -std=gnu++17 -fno-recovery-ast -ast-dump %s | FileCheck --check-prefix=DISABLED -strict-whitespace %s
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int some_func(int *);
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// CHECK: VarDecl {{.*}} invalid_call
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// CHECK-NEXT: `-RecoveryExpr {{.*}} 'int' contains-errors
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// CHECK-NEXT: |-UnresolvedLookupExpr {{.*}} 'some_func'
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// CHECK-NEXT: `-IntegerLiteral {{.*}} 123
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// DISABLED-NOT: -RecoveryExpr {{.*}} contains-errors
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int invalid_call = some_func(123);
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void test_invalid_call(int s) {
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// CHECK: CallExpr {{.*}} '<dependent type>' contains-errors
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// CHECK-NEXT: |-UnresolvedLookupExpr {{.*}} 'some_func'
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// CHECK-NEXT: |-RecoveryExpr {{.*}} <col:13>
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// CHECK-NEXT: `-BinaryOperator {{.*}}
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// CHECK-NEXT: |-RecoveryExpr {{.*}}
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// CHECK-NEXT: `-IntegerLiteral {{.*}} <col:28> 'int' 1
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some_func(undef1, undef2+1);
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// CHECK: BinaryOperator {{.*}} '<dependent type>' contains-errors '='
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// CHECK-NEXT: |-DeclRefExpr {{.*}} 's'
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// CHECK-NEXT: `-CallExpr {{.*}} '<dependent type>' contains-errors
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// CHECK-NEXT: |-UnresolvedLookupExpr {{.*}} 'some_func'
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// CHECK-NEXT: `-RecoveryExpr {{.*}} contains-errors
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s = some_func(undef1);
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// CHECK: VarDecl {{.*}} var 'int'
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// CHECK-NEXT: `-CallExpr {{.*}} '<dependent type>' contains-errors
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// CHECK-NEXT: |-UnresolvedLookupExpr {{.*}} 'some_func'
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// CHECK-NEXT: `-RecoveryExpr {{.*}} contains-errors
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int var = some_func(undef1);
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}
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int ambig_func(double);
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int ambig_func(float);
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// CHECK: VarDecl {{.*}} ambig_call
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// CHECK-NEXT: `-RecoveryExpr {{.*}} 'int' contains-errors
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// CHECK-NEXT: |-UnresolvedLookupExpr {{.*}} 'ambig_func'
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// CHECK-NEXT: `-IntegerLiteral {{.*}} 123
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// DISABLED-NOT: -RecoveryExpr {{.*}} contains-errors
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int ambig_call = ambig_func(123);
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// CHECK: VarDecl {{.*}} unresolved_call1
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// CHECK-NEXT:`-RecoveryExpr {{.*}} '<dependent type>' contains-errors
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// CHECK-NEXT: `-UnresolvedLookupExpr {{.*}} 'bar'
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// DISABLED-NOT: -RecoveryExpr {{.*}} contains-errors
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int unresolved_call1 = bar();
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// CHECK: VarDecl {{.*}} unresolved_call2
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// CHECK-NEXT:`-CallExpr {{.*}} contains-errors
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// CHECK-NEXT: |-UnresolvedLookupExpr {{.*}} 'bar'
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// CHECK-NEXT: |-RecoveryExpr {{.*}} contains-errors
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// CHECK-NEXT: | `-UnresolvedLookupExpr {{.*}} 'baz'
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// CHECK-NEXT: `-RecoveryExpr {{.*}} contains-errors
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// CHECK-NEXT: `-UnresolvedLookupExpr {{.*}} 'qux'
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// DISABLED-NOT: -RecoveryExpr {{.*}} contains-errors
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int unresolved_call2 = bar(baz(), qux());
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constexpr int a = 10;
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// CHECK: VarDecl {{.*}} postfix_inc
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// CHECK-NEXT:`-RecoveryExpr {{.*}} contains-errors
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// CHECK-NEXT: `-DeclRefExpr {{.*}} 'a'
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// DISABLED-NOT: -RecoveryExpr {{.*}} contains-errors
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int postfix_inc = a++;
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// CHECK: VarDecl {{.*}} prefix_inc
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// CHECK-NEXT:`-RecoveryExpr {{.*}} contains-errors
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// CHECK-NEXT: `-DeclRefExpr {{.*}} 'a'
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// DISABLED-NOT: -RecoveryExpr {{.*}} contains-errors
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int prefix_inc = ++a;
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// CHECK: VarDecl {{.*}} unary_address
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// CHECK-NEXT:`-RecoveryExpr {{.*}} contains-errors
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// CHECK-NEXT: `-ParenExpr {{.*}}
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// CHECK-NEXT: `-BinaryOperator {{.*}} '+'
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// CHECK-NEXT: |-ImplicitCastExpr
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// CHECK-NEXT: | `-DeclRefExpr {{.*}} 'a'
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// DISABLED-NOT: -RecoveryExpr {{.*}} contains-errors
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int unary_address = &(a + 1);
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// CHECK: VarDecl {{.*}} unary_bitinverse
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// CHECK-NEXT:`-RecoveryExpr {{.*}} contains-errors
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// CHECK-NEXT: `-ParenExpr {{.*}}
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// CHECK-NEXT: `-BinaryOperator {{.*}} '+'
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// CHECK-NEXT: |-ImplicitCastExpr
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// CHECK-NEXT: | `-ImplicitCastExpr
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// CHECK-NEXT: | `-DeclRefExpr {{.*}} 'a'
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// DISABLED-NOT: -RecoveryExpr {{.*}} contains-errors
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int unary_bitinverse = ~(a + 0.0);
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// CHECK: VarDecl {{.*}} binary
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// CHECK-NEXT:`-RecoveryExpr {{.*}} contains-errors
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// CHECK-NEXT: |-DeclRefExpr {{.*}} 'a'
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// CHECK-NEXT: `-CXXNullPtrLiteralExpr
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// DISABLED-NOT: -RecoveryExpr {{.*}} contains-errors
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int binary = a + nullptr;
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// CHECK: VarDecl {{.*}} ternary
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// CHECK-NEXT:`-RecoveryExpr {{.*}} contains-errors
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// CHECK-NEXT: |-DeclRefExpr {{.*}} 'a'
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// CHECK-NEXT: |-CXXNullPtrLiteralExpr
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// CHECK-NEXT: `-DeclRefExpr {{.*}} 'a'
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// DISABLED-NOT: -RecoveryExpr {{.*}} contains-errors
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int ternary = a ? nullptr : a;
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// CHECK: FunctionDecl
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// CHECK-NEXT:|-ParmVarDecl {{.*}} x
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// CHECK-NEXT:`-CompoundStmt
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// CHECK-NEXT: |-RecoveryExpr {{.*}} contains-errors
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// CHECK-NEXT: | `-DeclRefExpr {{.*}} 'foo'
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// CHECK-NEXT: `-CallExpr {{.*}} contains-errors
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// CHECK-NEXT: |-RecoveryExpr {{.*}} contains-errors
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// CHECK-NEXT: | `-DeclRefExpr {{.*}} 'foo'
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// CHECK-NEXT: `-DeclRefExpr {{.*}} 'x'
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struct Foo {} foo;
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void test(int x) {
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foo.abc;
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foo->func(x);
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}
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void AccessIncompleteClass() {
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struct Forward;
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Forward* ptr;
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// CHECK: CallExpr {{.*}} '<dependent type>'
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// CHECK-NEXT: `-CXXDependentScopeMemberExpr {{.*}} '<dependent type>'
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// CHECK-NEXT: `-RecoveryExpr {{.*}} '<dependent type>' contains-errors
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// CHECK-NEXT: `-DeclRefExpr {{.*}} 'Forward *'
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ptr->method();
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}
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struct Foo2 {
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double func();
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class ForwardClass;
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ForwardClass createFwd();
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int overload();
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int overload(int, int);
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};
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void test2(Foo2 f) {
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// CHECK: RecoveryExpr {{.*}} 'double'
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// CHECK-NEXT: |-MemberExpr {{.*}} '<bound member function type>'
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// CHECK-NEXT: | `-DeclRefExpr {{.*}} 'f'
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// CHECK-NEXT: `-IntegerLiteral {{.*}} 'int' 1
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f.func(1);
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// CHECK: RecoveryExpr {{.*}} 'Foo2::ForwardClass'
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// CHECK-NEXT: `-MemberExpr {{.*}} '<bound member function type>' .createFwd
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// CHECK-NEXT: `-DeclRefExpr {{.*}} 'f'
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f.createFwd();
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// CHECK: RecoveryExpr {{.*}} 'int' contains-errors
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// CHECK-NEXT: |-UnresolvedMemberExpr
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// CHECK-NEXT: `-DeclRefExpr {{.*}} 'Foo2'
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// CHECK-NEXT: `-IntegerLiteral {{.*}} 'int' 1
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f.overload(1);
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}
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// CHECK: |-AlignedAttr {{.*}} alignas
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// CHECK-NEXT:| `-RecoveryExpr {{.*}} contains-errors
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// CHECK-NEXT:| `-UnresolvedLookupExpr {{.*}} 'invalid'
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struct alignas(invalid()) Aligned {};
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auto f();
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int f(double);
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// CHECK: VarDecl {{.*}} unknown_type_call 'int'
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// CHECK-NEXT: `-RecoveryExpr {{.*}} '<dependent type>'
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int unknown_type_call = f(0, 0);
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void InvalidInitalizer(int x) {
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struct Bar { Bar(); };
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// CHECK: `-VarDecl {{.*}} a1 'Bar'
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// CHECK-NEXT: `-RecoveryExpr {{.*}} contains-errors
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// CHECK-NEXT: `-IntegerLiteral {{.*}} 'int' 1
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Bar a1(1);
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// CHECK: `-VarDecl {{.*}} a2 'Bar'
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// CHECK-NEXT: `-RecoveryExpr {{.*}} contains-errors
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// CHECK-NEXT: `-DeclRefExpr {{.*}} 'x'
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Bar a2(x);
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// CHECK: `-VarDecl {{.*}} a3 'Bar'
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// CHECK-NEXT: `-RecoveryExpr {{.*}} contains-errors
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// CHECK-NEXT: `-InitListExpr
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// CHECK-NEDT: `-DeclRefExpr {{.*}} 'x'
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Bar a3{x};
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// CHECK: `-VarDecl {{.*}} a4 'Bar'
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// CHECK-NEXT: `-ParenListExpr {{.*}} 'NULL TYPE' contains-errors
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// CHECK-NEXT: `-RecoveryExpr {{.*}} contains-errors
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// CHECK-NEXT: `-UnresolvedLookupExpr {{.*}} 'invalid'
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Bar a4(invalid());
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// CHECK: `-VarDecl {{.*}} a5 'Bar'
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// CHECK-NEXT: `-InitListExpr {{.*}} contains-errors
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// CHECK-NEXT: `-RecoveryExpr {{.*}} contains-errors
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// CHECK-NEXT: `-UnresolvedLookupExpr {{.*}} 'invalid'
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Bar a5{invalid()};
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// CHECK: `-VarDecl {{.*}} b1 'Bar'
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// CHECK-NEXT: `-RecoveryExpr {{.*}} contains-errors
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// CHECK-NEXT: `-IntegerLiteral {{.*}} 'int' 1
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Bar b1 = 1;
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// CHECK: `-VarDecl {{.*}} b2 'Bar'
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// CHECK-NEXT: `-RecoveryExpr {{.*}} contains-errors
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// CHECK-NEXT: `-InitListExpr
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Bar b2 = {1};
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// CHECK: `-VarDecl {{.*}} b3 'Bar'
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// CHECK-NEXT: `-RecoveryExpr {{.*}} 'Bar' contains-errors
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// CHECK-NEXT: `-DeclRefExpr {{.*}} 'x' 'int'
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Bar b3 = Bar(x);
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// CHECK: `-VarDecl {{.*}} b4 'Bar'
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// CHECK-NEXT: `-RecoveryExpr {{.*}} 'Bar' contains-errors
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// CHECK-NEXT: `-InitListExpr {{.*}} 'void'
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// CHECK-NEXT: `-DeclRefExpr {{.*}} 'x' 'int'
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Bar b4 = Bar{x};
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// CHECK: `-VarDecl {{.*}} b5 'Bar'
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// CHECK-NEXT: `-CXXUnresolvedConstructExpr {{.*}} 'Bar' contains-errors 'Bar'
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// CHECK-NEXT: `-RecoveryExpr {{.*}} contains-errors
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// CHECK-NEXT: `-UnresolvedLookupExpr {{.*}} 'invalid'
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Bar b5 = Bar(invalid());
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// CHECK: `-VarDecl {{.*}} b6 'Bar'
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// CHECK-NEXT: `-CXXUnresolvedConstructExpr {{.*}} 'Bar' contains-errors 'Bar'
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// CHECK-NEXT: `-InitListExpr {{.*}} contains-errors
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// CHECK-NEXT: `-RecoveryExpr {{.*}} contains-errors
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// CHECK-NEXT: `-UnresolvedLookupExpr {{.*}} 'invalid'
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Bar b6 = Bar{invalid()};
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// CHECK: RecoveryExpr {{.*}} 'Bar' contains-errors
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// CHECK-NEXT: `-IntegerLiteral {{.*}} 'int' 1
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Bar(1);
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// CHECK: `-VarDecl {{.*}} var1
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// CHECK-NEXT: `-BinaryOperator {{.*}} '<dependent type>' contains-errors
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// CHECK-NEXT: |-RecoveryExpr {{.*}} '<dependent type>' contains-errors
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// CHECK-NEXT: `-IntegerLiteral {{.*}} 'int' 1
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int var1 = undef + 1;
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}
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void InitializerForAuto() {
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// CHECK: `-VarDecl {{.*}} invalid a 'auto'
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// CHECK-NEXT: `-RecoveryExpr {{.*}} '<dependent type>' contains-errors
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// CHECK-NEXT: `-UnresolvedLookupExpr {{.*}} 'invalid'
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auto a = invalid();
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// CHECK: `-VarDecl {{.*}} invalid b 'auto'
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// CHECK-NEXT: `-CallExpr {{.*}} '<dependent type>' contains-errors
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// CHECK-NEXT: |-UnresolvedLookupExpr {{.*}} 'some_func'
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// CHECK-NEXT: `-RecoveryExpr {{.*}} '<dependent type>' contains-errors
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// CHECK-NEXT: `-UnresolvedLookupExpr {{.*}} 'invalid'
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auto b = some_func(invalid());
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decltype(ned);
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// very bad initailizer: there is an unresolved typo expr internally, we just
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// drop it.
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// CHECK: `-VarDecl {{.*}} invalid unresolved_typo 'auto'
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auto unresolved_typo = gned.*[] {};
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}
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// Verified that the generated call operator is invalid.
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// CHECK: |-CXXMethodDecl {{.*}} invalid operator() 'auto () const -> auto'
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using Escape = decltype([] { return undef(); }());
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// CHECK: VarDecl {{.*}} NoCrashOnInvalidInitList
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// CHECK-NEXT: `-RecoveryExpr {{.*}} '<dependent type>' contains-errors lvalue
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// CHECK-NEXT: `-InitListExpr
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// CHECK-NEXT: `-DesignatedInitExpr {{.*}} 'void'
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// CHECK-NEXT: `-CXXNullPtrLiteralExpr {{.*}} 'std::nullptr_t'
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struct {
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int& abc;
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} NoCrashOnInvalidInitList = {
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.abc = nullptr,
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};
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// Verify the value category of recovery expression.
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int prvalue(int);
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int &lvalue(int);
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int &&xvalue(int);
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void ValueCategory() {
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// CHECK: RecoveryExpr {{.*}} 'int' contains-errors
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prvalue(); // call to a function (nonreference return type) yields a prvalue (not print by default)
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// CHECK: RecoveryExpr {{.*}} 'int' contains-errors lvalue
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lvalue(); // call to a function (lvalue reference return type) yields an lvalue.
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// CHECK: RecoveryExpr {{.*}} 'int' contains-errors xvalue
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xvalue(); // call to a function (rvalue reference return type) yields an xvalue.
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}
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void InvalidCondition() {
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// CHECK: IfStmt {{.*}}
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// CHECK-NEXT: |-RecoveryExpr {{.*}} <col:7, col:15> '<dependent type>' contains-errors
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// CHECK-NEXT: | `-UnresolvedLookupExpr {{.*}} <col:7>
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if (invalid()) {}
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// CHECK: WhileStmt {{.*}}
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// CHECK-NEXT: |-RecoveryExpr {{.*}} <col:10, col:18> '<dependent type>' contains-errors
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// CHECK-NEXT: | `-UnresolvedLookupExpr {{.*}} <col:10>
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while (invalid()) {}
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// CHECK: SwitchStmt {{.*}}
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// CHECK-NEXT: |-RecoveryExpr {{.*}} '<dependent type>' contains-errors
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// CHECK-NEXT: | `-UnresolvedLookupExpr {{.*}} <col:10>
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switch(invalid()) {
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case 1:
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break;
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}
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// FIXME: figure out why the type of ConditionalOperator is not int.
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// CHECK: ConditionalOperator {{.*}} '<dependent type>' contains-errors
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// CHECK-NEXT: |-RecoveryExpr {{.*}} '<dependent type>' contains-errors
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// CHECK-NEXT: | `-UnresolvedLookupExpr {{.*}}
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// CHECK-NEXT: |-IntegerLiteral {{.*}} 'int' 1
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// CHECK-NEXT: `-IntegerLiteral {{.*}} 'int' 2
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invalid() ? 1 : 2;
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}
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void CtorInitializer() {
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struct S{int m};
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class MemberInit {
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int x, y, z;
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S s;
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MemberInit() : x(invalid), y(invalid, invalid), z(invalid()), s(1,2) {}
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// CHECK: CXXConstructorDecl {{.*}} MemberInit 'void ()'
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// CHECK-NEXT: |-CXXCtorInitializer Field {{.*}} 'x' 'int'
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// CHECK-NEXT: | `-ParenListExpr
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// CHECK-NEXT: | `-RecoveryExpr {{.*}} '<dependent type>'
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// CHECK-NEXT: |-CXXCtorInitializer Field {{.*}} 'y' 'int'
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// CHECK-NEXT: | `-ParenListExpr
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// CHECK-NEXT: | |-RecoveryExpr {{.*}} '<dependent type>'
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// CHECK-NEXT: | `-RecoveryExpr {{.*}} '<dependent type>'
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// CHECK-NEXT: |-CXXCtorInitializer Field {{.*}} 'z' 'int'
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// CHECK-NEXT: | `-ParenListExpr
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// CHECK-NEXT: | `-RecoveryExpr {{.*}} '<dependent type>'
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// CHECK-NEXT: | `-UnresolvedLookupExpr {{.*}} '<overloaded function type>'
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// CHECK-NEXT: |-CXXCtorInitializer Field {{.*}} 's' 'S'
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// CHECK-NEXT: | `-RecoveryExpr {{.*}} 'S' contains-errors
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// CHECK-NEXT: | |-IntegerLiteral {{.*}} 1
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// CHECK-NEXT: | `-IntegerLiteral {{.*}} 2
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};
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class BaseInit : S {
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BaseInit(float) : S("no match") {}
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// CHECK: CXXConstructorDecl {{.*}} BaseInit 'void (float)'
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// CHECK-NEXT: |-ParmVarDecl
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// CHECK-NEXT: |-CXXCtorInitializer 'S'
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// CHECK-NEXT: | `-RecoveryExpr {{.*}} 'S'
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// CHECK-NEXT: | `-StringLiteral
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BaseInit(double) : S(invalid) {}
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// CHECK: CXXConstructorDecl {{.*}} BaseInit 'void (double)'
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// CHECK-NEXT: |-ParmVarDecl
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// CHECK-NEXT: |-CXXCtorInitializer 'S'
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// CHECK-NEXT: | `-ParenListExpr
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// CHECK-NEXT: | `-RecoveryExpr {{.*}} '<dependent type>'
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};
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class DelegatingInit {
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DelegatingInit(float) : DelegatingInit("no match") {}
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// CHECK: CXXConstructorDecl {{.*}} DelegatingInit 'void (float)'
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// CHECK-NEXT: |-ParmVarDecl
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// CHECK-NEXT: |-CXXCtorInitializer 'DelegatingInit'
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// CHECK-NEXT: | `-RecoveryExpr {{.*}} 'DelegatingInit'
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// CHECK-NEXT: | `-StringLiteral
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DelegatingInit(double) : DelegatingInit(invalid) {}
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// CHECK: CXXConstructorDecl {{.*}} DelegatingInit 'void (double)'
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// CHECK-NEXT: |-ParmVarDecl
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// CHECK-NEXT: |-CXXCtorInitializer 'DelegatingInit'
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// CHECK-NEXT: | `-ParenListExpr
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// CHECK-NEXT: | `-RecoveryExpr {{.*}} '<dependent type>'
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};
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}
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float *brokenReturn() {
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// CHECK: FunctionDecl {{.*}} brokenReturn
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return 42;
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// CHECK: ReturnStmt
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// CHECK-NEXT: `-RecoveryExpr {{.*}} 'float *'
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// CHECK-NEXT: `-IntegerLiteral {{.*}} 'int' 42
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}
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// Return deduction treats the first, second *and* third differently!
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auto *brokenDeducedReturn(int *x, float *y, double *z) {
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// CHECK: FunctionDecl {{.*}} invalid brokenDeducedReturn
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if (x) return x;
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// CHECK: ReturnStmt
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// CHECK-NEXT: `-ImplicitCastExpr {{.*}} <LValueToRValue>
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// CHECK-NEXT: `-DeclRefExpr {{.*}} 'x' 'int *'
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if (y) return y;
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// CHECK: ReturnStmt
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// CHECK-NEXT: `-RecoveryExpr {{.*}} 'int *'
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// CHECK-NEXT: `-DeclRefExpr {{.*}} 'y' 'float *'
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if (z) return z;
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// CHECK: ReturnStmt
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// CHECK-NEXT: `-RecoveryExpr {{.*}} 'int *'
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// CHECK-NEXT: `-DeclRefExpr {{.*}} 'z' 'double *'
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return x;
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// Unfortunate: we wrap a valid return in RecoveryExpr.
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// This is to avoid running deduction again after it failed once.
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// CHECK: ReturnStmt
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// CHECK-NEXT: `-RecoveryExpr {{.*}} 'int *'
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// CHECK-NEXT: `-DeclRefExpr {{.*}} 'x' 'int *'
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}
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void returnInitListFromVoid() {
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// CHECK: FunctionDecl {{.*}} returnInitListFromVoid
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return {7,8};
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// CHECK: ReturnStmt
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// CHECK-NEXT: `-RecoveryExpr {{.*}} '<dependent type>'
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// CHECK-NEXT: |-IntegerLiteral {{.*}} 'int' 7
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// CHECK-NEXT: `-IntegerLiteral {{.*}} 'int' 8
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}
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