forked from OSchip/llvm-project
225 lines
8.8 KiB
C++
225 lines
8.8 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 {{.*}} invalid var 'int'
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// FIXME: preserve the broken call.
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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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// 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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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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// FIXME: preserve the invalid initializer.
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// CHECK: `-VarDecl {{.*}} b3 'Bar'
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Bar b3 = Bar(x);
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// FIXME: preserve the invalid initializer.
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// CHECK: `-VarDecl {{.*}} b4 'Bar'
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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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}
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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 {{.*}} '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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