llvm-project/clang/test/Analysis/auto-obj-dtors-cfg-output.cpp

865 lines
24 KiB
C++

// RUN: %clang_cc1 -fcxx-exceptions -fexceptions -analyze -analyzer-checker=debug.DumpCFG -cfg-add-implicit-dtors %s > %t 2>&1
// RUN: FileCheck --input-file=%t %s
// XPASS: *
class A {
public:
A() {}
~A() {}
operator int() const { return 1; }
};
extern const bool UV;
void test_const_ref() {
A a;
const A& b = a;
const A& c = A();
}
void test_array() {
A a[2];
A b[0];
}
void test_scope() {
A a;
{ A c;
A d;
}
A b;
}
void test_return() {
A a;
A b;
if (UV) return;
A c;
}
void test_goto() {
A a;
l0:
A b;
{ A a;
if (UV) goto l0;
if (UV) goto l1;
A b;
}
l1:
A c;
}
void test_if_implicit_scope() {
A a;
if (A b = a)
A c;
else A c;
}
void test_if_jumps() {
A a;
if (A b = a) {
A c;
if (UV) return;
A d;
} else {
A c;
if (UV) return;
A d;
}
A e;
}
void test_while_implicit_scope() {
A a;
while (A b = a)
A c;
}
void test_while_jumps() {
A a;
while (A b = a) {
A c;
if (UV) break;
if (UV) continue;
if (UV) return;
A d;
}
A e;
}
void test_do_implicit_scope() {
do A a;
while (UV);
}
void test_do_jumps() {
A a;
do {
A b;
if (UV) break;
if (UV) continue;
if (UV) return;
A c;
} while (UV);
A d;
}
void test_switch_implicit_scope() {
A a;
switch (A b = a)
A c;
}
void test_switch_jumps() {
A a;
switch (A b = a) {
case 0: {
A c;
if (UV) break;
if (UV) return;
A f;
}
case 1:
break;
}
A g;
}
void test_for_implicit_scope() {
for (A a; A b = a; )
A c;
}
void test_for_jumps() {
A a;
for (A b; A c = b; ) {
A d;
if (UV) break;
if (UV) continue;
if (UV) return;
A e;
}
A f;
}
void test_catch_const_ref() {
try {
} catch (const A& e) {
}
}
void test_catch_copy() {
try {
} catch (A e) {
}
}
// CHECK: [B1 (ENTRY)]
// CHECK: Succs (1): B0
// CHECK: [B0 (EXIT)]
// CHECK: Preds (1): B1
// CHECK: [B1 (ENTRY)]
// CHECK: Succs (1): B0
// CHECK: [B0 (EXIT)]
// CHECK: Preds (1): B1
// CHECK: [B2 (ENTRY)]
// CHECK: Succs (1): B1
// CHECK: [B1]
// CHECK: 1: 1
// CHECK: 2: return [B1.1];
// CHECK: Preds (1): B2
// CHECK: Succs (1): B0
// CHECK: [B0 (EXIT)]
// CHECK: Preds (1): B1
// CHECK: [B2 (ENTRY)]
// CHECK: Succs (1): B1
// CHECK: [B1]
// CHECK: 1: (CXXConstructExpr, class A)
// CHECK: 2: A a;
// CHECK: 3: a
// CHECK: 4: [B1.3] (ImplicitCastExpr, NoOp, const class A)
// CHECK: 5: const A &b = a;
// CHECK: 6: A() (CXXConstructExpr, class A)
// CHECK: 7: [B1.6] (BindTemporary)
// CHECK: 8: [B1.7] (ImplicitCastExpr, NoOp, const class A)
// CHECK: 9: [B1.8]
// CHECK: 10: const A &c = A();
// CHECK: 11: [B1.10].~A() (Implicit destructor)
// CHECK: 12: [B1.2].~A() (Implicit destructor)
// CHECK: Preds (1): B2
// CHECK: Succs (1): B0
// CHECK: [B0 (EXIT)]
// CHECK: Preds (1): B1
// CHECK: [B2 (ENTRY)]
// CHECK: Succs (1): B1
// CHECK: [B1]
// CHECK: 1: (CXXConstructExpr, class A [2])
// CHECK: 2: A a[2];
// CHECK: 3: (CXXConstructExpr, class A [0])
// CHECK: 4: A b[0];
// CHECK: 5: [B1.2].~A() (Implicit destructor)
// CHECK: Preds (1): B2
// CHECK: Succs (1): B0
// CHECK: [B0 (EXIT)]
// CHECK: Preds (1): B1
// CHECK: [B2 (ENTRY)]
// CHECK: Succs (1): B1
// CHECK: [B1]
// CHECK: 1: (CXXConstructExpr, class A)
// CHECK: 2: A a;
// CHECK: 3: (CXXConstructExpr, class A)
// CHECK: 4: A c;
// CHECK: 5: (CXXConstructExpr, class A)
// CHECK: 6: A d;
// CHECK: 7: [B1.6].~A() (Implicit destructor)
// CHECK: 8: [B1.4].~A() (Implicit destructor)
// CHECK: 9: (CXXConstructExpr, class A)
// CHECK: 10: A b;
// CHECK: 11: [B1.10].~A() (Implicit destructor)
// CHECK: 12: [B1.2].~A() (Implicit destructor)
// CHECK: Preds (1): B2
// CHECK: Succs (1): B0
// CHECK: [B0 (EXIT)]
// CHECK: Preds (1): B1
// CHECK: [B4 (ENTRY)]
// CHECK: Succs (1): B3
// CHECK: [B1]
// CHECK: 1: (CXXConstructExpr, class A)
// CHECK: 2: A c;
// CHECK: 3: [B1.2].~A() (Implicit destructor)
// CHECK: 4: [B3.4].~A() (Implicit destructor)
// CHECK: 5: [B3.2].~A() (Implicit destructor)
// CHECK: Preds (1): B3
// CHECK: Succs (1): B0
// CHECK: [B2]
// CHECK: 1: return;
// CHECK: 2: [B3.4].~A() (Implicit destructor)
// CHECK: 3: [B3.2].~A() (Implicit destructor)
// CHECK: Preds (1): B3
// CHECK: Succs (1): B0
// CHECK: [B3]
// CHECK: 1: (CXXConstructExpr, class A)
// CHECK: 2: A a;
// CHECK: 3: (CXXConstructExpr, class A)
// CHECK: 4: A b;
// CHECK: 5: UV
// CHECK: 6: [B3.5] (ImplicitCastExpr, LValueToRValue, _Bool)
// CHECK: T: if [B3.6]
// CHECK: Preds (1): B4
// CHECK: Succs (2): B2 B1
// CHECK: [B0 (EXIT)]
// CHECK: Preds (2): B1 B2
// CHECK: [B8 (ENTRY)]
// CHECK: Succs (1): B7
// CHECK: [B1]
// CHECK: l1:
// CHECK: 1: (CXXConstructExpr, class A)
// CHECK: 2: A c;
// CHECK: 3: [B1.2].~A() (Implicit destructor)
// CHECK: 4: [B6.2].~A() (Implicit destructor)
// CHECK: 5: [B7.2].~A() (Implicit destructor)
// CHECK: Preds (2): B2 B3
// CHECK: Succs (1): B0
// CHECK: [B2]
// CHECK: 1: (CXXConstructExpr, class A)
// CHECK: 2: A b;
// CHECK: 3: [B2.2].~A() (Implicit destructor)
// CHECK: 4: [B6.4].~A() (Implicit destructor)
// CHECK: Preds (1): B4
// CHECK: Succs (1): B1
// CHECK: [B3]
// CHECK: 1: [B6.4].~A() (Implicit destructor)
// CHECK: T: goto l1;
// CHECK: Preds (1): B4
// CHECK: Succs (1): B1
// CHECK: [B4]
// CHECK: 1: UV
// CHECK: 2: [B4.1] (ImplicitCastExpr, LValueToRValue, _Bool)
// CHECK: T: if [B4.2]
// CHECK: Preds (1): B6
// CHECK: Succs (2): B3 B2
// CHECK: [B5]
// CHECK: 1: [B6.4].~A() (Implicit destructor)
// CHECK: 2: [B6.2].~A() (Implicit destructor)
// CHECK: T: goto l0;
// CHECK: Preds (1): B6
// CHECK: Succs (1): B6
// CHECK: [B6]
// CHECK: l0:
// CHECK: 1: (CXXConstructExpr, class A)
// CHECK: 2: A b;
// CHECK: 3: (CXXConstructExpr, class A)
// CHECK: 4: A a;
// CHECK: 5: UV
// CHECK: 6: [B6.5] (ImplicitCastExpr, LValueToRValue, _Bool)
// CHECK: T: if [B6.6]
// CHECK: Preds (2): B7 B5
// CHECK: Succs (2): B5 B4
// CHECK: [B7]
// CHECK: 1: (CXXConstructExpr, class A)
// CHECK: 2: A a;
// CHECK: Preds (1): B8
// CHECK: Succs (1): B6
// CHECK: [B0 (EXIT)]
// CHECK: Preds (1): B1
// CHECK: [B5 (ENTRY)]
// CHECK: Succs (1): B4
// CHECK: [B1]
// CHECK: 1: [B4.6].~A() (Implicit destructor)
// CHECK: 2: [B4.2].~A() (Implicit destructor)
// CHECK: Preds (2): B2 B3
// CHECK: Succs (1): B0
// CHECK: [B2]
// CHECK: 1: (CXXConstructExpr, class A)
// CHECK: 2: A c;
// CHECK: 3: [B2.2].~A() (Implicit destructor)
// CHECK: Preds (1): B4
// CHECK: Succs (1): B1
// CHECK: [B3]
// CHECK: 1: (CXXConstructExpr, class A)
// CHECK: 2: A c;
// CHECK: 3: [B3.2].~A() (Implicit destructor)
// CHECK: Preds (1): B4
// CHECK: Succs (1): B1
// CHECK: [B4]
// CHECK: 1: (CXXConstructExpr, class A)
// CHECK: 2: A a;
// CHECK: 3: a
// CHECK: 4: [B4.3] (ImplicitCastExpr, NoOp, const class A)
// CHECK: 5: [B4.4] (CXXConstructExpr, class A)
// CHECK: 6: A b = a;
// CHECK: 7: b
// CHECK: 8: [B4.7] (ImplicitCastExpr, NoOp, const class A)
// CHECK: 9: [B4.8].operator int
// CHECK: 10: [B4.9]()
// CHECK: 11: [B4.10] (ImplicitCastExpr, UserDefinedConversion, int)
// CHECK: 12: [B4.11] (ImplicitCastExpr, IntegralToBoolean, _Bool)
// CHECK: T: if [B4.12]
// CHECK: Preds (1): B5
// CHECK: Succs (2): B3 B2
// CHECK: [B0 (EXIT)]
// CHECK: Preds (1): B1
// CHECK: [B9 (ENTRY)]
// CHECK: Succs (1): B8
// CHECK: [B1]
// CHECK: 1: [B8.6].~A() (Implicit destructor)
// CHECK: 2: (CXXConstructExpr, class A)
// CHECK: 3: A e;
// CHECK: 4: [B1.3].~A() (Implicit destructor)
// CHECK: 5: [B8.2].~A() (Implicit destructor)
// CHECK: Preds (2): B2 B5
// CHECK: Succs (1): B0
// CHECK: [B2]
// CHECK: 1: (CXXConstructExpr, class A)
// CHECK: 2: A d;
// CHECK: 3: [B2.2].~A() (Implicit destructor)
// CHECK: 4: [B4.2].~A() (Implicit destructor)
// CHECK: Preds (1): B4
// CHECK: Succs (1): B1
// CHECK: [B3]
// CHECK: 1: return;
// CHECK: 2: [B4.2].~A() (Implicit destructor)
// CHECK: 3: [B8.6].~A() (Implicit destructor)
// CHECK: 4: [B8.2].~A() (Implicit destructor)
// CHECK: Preds (1): B4
// CHECK: Succs (1): B0
// CHECK: [B4]
// CHECK: 1: (CXXConstructExpr, class A)
// CHECK: 2: A c;
// CHECK: 3: UV
// CHECK: 4: [B4.3] (ImplicitCastExpr, LValueToRValue, _Bool)
// CHECK: T: if [B4.4]
// CHECK: Preds (1): B8
// CHECK: Succs (2): B3 B2
// CHECK: [B5]
// CHECK: 1: (CXXConstructExpr, class A)
// CHECK: 2: A d;
// CHECK: 3: [B5.2].~A() (Implicit destructor)
// CHECK: 4: [B7.2].~A() (Implicit destructor)
// CHECK: Preds (1): B7
// CHECK: Succs (1): B1
// CHECK: [B6]
// CHECK: 1: return;
// CHECK: 2: [B7.2].~A() (Implicit destructor)
// CHECK: 3: [B8.6].~A() (Implicit destructor)
// CHECK: 4: [B8.2].~A() (Implicit destructor)
// CHECK: Preds (1): B7
// CHECK: Succs (1): B0
// CHECK: [B7]
// CHECK: 1: (CXXConstructExpr, class A)
// CHECK: 2: A c;
// CHECK: 3: UV
// CHECK: 4: [B7.3] (ImplicitCastExpr, LValueToRValue, _Bool)
// CHECK: T: if [B7.4]
// CHECK: Preds (1): B8
// CHECK: Succs (2): B6 B5
// CHECK: [B8]
// CHECK: 1: (CXXConstructExpr, class A)
// CHECK: 2: A a;
// CHECK: 3: a
// CHECK: 4: [B8.3] (ImplicitCastExpr, NoOp, const class A)
// CHECK: 5: [B8.4] (CXXConstructExpr, class A)
// CHECK: 6: A b = a;
// CHECK: 7: b
// CHECK: 8: [B8.7] (ImplicitCastExpr, NoOp, const class A)
// CHECK: 9: [B8.8].operator int
// CHECK: 10: [B8.9]()
// CHECK: 11: [B8.10] (ImplicitCastExpr, UserDefinedConversion, int)
// CHECK: 12: [B8.11] (ImplicitCastExpr, IntegralToBoolean, _Bool)
// CHECK: T: if [B8.12]
// CHECK: Preds (1): B9
// CHECK: Succs (2): B7 B4
// CHECK: [B0 (EXIT)]
// CHECK: Preds (3): B1 B3 B6
// CHECK: [B6 (ENTRY)]
// CHECK: Succs (1): B5
// CHECK: [B1]
// CHECK: 1: [B2.4].~A() (Implicit destructor)
// CHECK: 2: [B5.2].~A() (Implicit destructor)
// CHECK: Preds (1): B2
// CHECK: Succs (1): B0
// CHECK: [B2]
// CHECK: 1: a
// CHECK: 2: [B2.1] (ImplicitCastExpr, NoOp, const class A)
// CHECK: 3: [B2.2] (CXXConstructExpr, class A)
// CHECK: 4: A b = a;
// CHECK: 5: b
// CHECK: 6: [B2.5] (ImplicitCastExpr, NoOp, const class A)
// CHECK: 7: [B2.6].operator int
// CHECK: 8: [B2.7]()
// CHECK: 9: [B2.8] (ImplicitCastExpr, UserDefinedConversion, int)
// CHECK: 10: [B2.9] (ImplicitCastExpr, IntegralToBoolean, _Bool)
// CHECK: T: while [B2.10]
// CHECK: Preds (2): B3 B5
// CHECK: Succs (2): B4 B1
// CHECK: [B3]
// CHECK: Preds (1): B4
// CHECK: Succs (1): B2
// CHECK: [B4]
// CHECK: 1: (CXXConstructExpr, class A)
// CHECK: 2: A c;
// CHECK: 3: [B4.2].~A() (Implicit destructor)
// CHECK: 4: [B2.4].~A() (Implicit destructor)
// CHECK: Preds (1): B2
// CHECK: Succs (1): B3
// CHECK: [B5]
// CHECK: 1: (CXXConstructExpr, class A)
// CHECK: 2: A a;
// CHECK: Preds (1): B6
// CHECK: Succs (1): B2
// CHECK: [B0 (EXIT)]
// CHECK: Preds (1): B1
// CHECK: [B12 (ENTRY)]
// CHECK: Succs (1): B11
// CHECK: [B1]
// CHECK: 1: [B2.4].~A() (Implicit destructor)
// CHECK: 2: (CXXConstructExpr, class A)
// CHECK: 3: A e;
// CHECK: 4: [B1.3].~A() (Implicit destructor)
// CHECK: 5: [B11.2].~A() (Implicit destructor)
// CHECK: Preds (2): B9 B2
// CHECK: Succs (1): B0
// CHECK: [B2]
// CHECK: 1: a
// CHECK: 2: [B2.1] (ImplicitCastExpr, NoOp, const class A)
// CHECK: 3: [B2.2] (CXXConstructExpr, class A)
// CHECK: 4: A b = a;
// CHECK: 5: b
// CHECK: 6: [B2.5] (ImplicitCastExpr, NoOp, const class A)
// CHECK: 7: [B2.6].operator int
// CHECK: 8: [B2.7]()
// CHECK: 9: [B2.8] (ImplicitCastExpr, UserDefinedConversion, int)
// CHECK: 10: [B2.9] (ImplicitCastExpr, IntegralToBoolean, _Bool)
// CHECK: T: while [B2.10]
// CHECK: Preds (2): B3 B11
// CHECK: Succs (2): B10 B1
// CHECK: [B3]
// CHECK: Preds (2): B4 B7
// CHECK: Succs (1): B2
// CHECK: [B4]
// CHECK: 1: (CXXConstructExpr, class A)
// CHECK: 2: A d;
// CHECK: 3: [B4.2].~A() (Implicit destructor)
// CHECK: 4: [B10.2].~A() (Implicit destructor)
// CHECK: 5: [B2.4].~A() (Implicit destructor)
// CHECK: Preds (1): B6
// CHECK: Succs (1): B3
// CHECK: [B5]
// CHECK: 1: return;
// CHECK: 2: [B10.2].~A() (Implicit destructor)
// CHECK: 3: [B2.4].~A() (Implicit destructor)
// CHECK: 4: [B11.2].~A() (Implicit destructor)
// CHECK: Preds (1): B6
// CHECK: Succs (1): B0
// CHECK: [B6]
// CHECK: 1: UV
// CHECK: 2: [B6.1] (ImplicitCastExpr, LValueToRValue, _Bool)
// CHECK: T: if [B6.2]
// CHECK: Preds (1): B8
// CHECK: Succs (2): B5 B4
// CHECK: [B7]
// CHECK: 1: [B10.2].~A() (Implicit destructor)
// CHECK: 2: [B2.4].~A() (Implicit destructor)
// CHECK: T: continue;
// CHECK: Preds (1): B8
// CHECK: Succs (1): B3
// CHECK: [B8]
// CHECK: 1: UV
// CHECK: 2: [B8.1] (ImplicitCastExpr, LValueToRValue, _Bool)
// CHECK: T: if [B8.2]
// CHECK: Preds (1): B10
// CHECK: Succs (2): B7 B6
// CHECK: [B9]
// CHECK: 1: [B10.2].~A() (Implicit destructor)
// CHECK: T: break;
// CHECK: Preds (1): B10
// CHECK: Succs (1): B1
// CHECK: [B10]
// CHECK: 1: (CXXConstructExpr, class A)
// CHECK: 2: A c;
// CHECK: 3: UV
// CHECK: 4: [B10.3] (ImplicitCastExpr, LValueToRValue, _Bool)
// CHECK: T: if [B10.4]
// CHECK: Preds (1): B2
// CHECK: Succs (2): B9 B8
// CHECK: [B11]
// CHECK: 1: (CXXConstructExpr, class A)
// CHECK: 2: A a;
// CHECK: Preds (1): B12
// CHECK: Succs (1): B2
// CHECK: [B0 (EXIT)]
// CHECK: Preds (2): B1 B5
// CHECK: [B4 (ENTRY)]
// CHECK: Succs (1): B2
// CHECK: [B1]
// CHECK: 1: UV
// CHECK: 2: [B1.1] (ImplicitCastExpr, LValueToRValue, _Bool)
// CHECK: T: do ... while [B1.2]
// CHECK: Preds (1): B2
// CHECK: Succs (2): B3 B0
// CHECK: [B2]
// CHECK: 1: (CXXConstructExpr, class A)
// CHECK: 2: A a;
// CHECK: 3: [B2.2].~A() (Implicit destructor)
// CHECK: Preds (2): B3 B4
// CHECK: Succs (1): B1
// CHECK: [B3]
// CHECK: Preds (1): B1
// CHECK: Succs (1): B2
// CHECK: [B0 (EXIT)]
// CHECK: Preds (1): B1
// CHECK: [B12 (ENTRY)]
// CHECK: Succs (1): B11
// CHECK: [B1]
// CHECK: 1: (CXXConstructExpr, class A)
// CHECK: 2: A d;
// CHECK: 3: [B1.2].~A() (Implicit destructor)
// CHECK: 4: [B11.2].~A() (Implicit destructor)
// CHECK: Preds (2): B8 B2
// CHECK: Succs (1): B0
// CHECK: [B2]
// CHECK: 1: UV
// CHECK: 2: [B2.1] (ImplicitCastExpr, LValueToRValue, _Bool)
// CHECK: T: do ... while [B2.2]
// CHECK: Preds (2): B3 B6
// CHECK: Succs (2): B10 B1
// CHECK: [B3]
// CHECK: 1: (CXXConstructExpr, class A)
// CHECK: 2: A c;
// CHECK: 3: [B3.2].~A() (Implicit destructor)
// CHECK: 4: [B9.2].~A() (Implicit destructor)
// CHECK: Preds (1): B5
// CHECK: Succs (1): B2
// CHECK: [B4]
// CHECK: 1: return;
// CHECK: 2: [B9.2].~A() (Implicit destructor)
// CHECK: 3: [B11.2].~A() (Implicit destructor)
// CHECK: Preds (1): B5
// CHECK: Succs (1): B0
// CHECK: [B5]
// CHECK: 1: UV
// CHECK: 2: [B5.1] (ImplicitCastExpr, LValueToRValue, _Bool)
// CHECK: T: if [B5.2]
// CHECK: Preds (1): B7
// CHECK: Succs (2): B4 B3
// CHECK: [B6]
// CHECK: 1: [B9.2].~A() (Implicit destructor)
// CHECK: T: continue;
// CHECK: Preds (1): B7
// CHECK: Succs (1): B2
// CHECK: [B7]
// CHECK: 1: UV
// CHECK: 2: [B7.1] (ImplicitCastExpr, LValueToRValue, _Bool)
// CHECK: T: if [B7.2]
// CHECK: Preds (1): B9
// CHECK: Succs (2): B6 B5
// CHECK: [B8]
// CHECK: 1: [B9.2].~A() (Implicit destructor)
// CHECK: T: break;
// CHECK: Preds (1): B9
// CHECK: Succs (1): B1
// CHECK: [B9]
// CHECK: 1: (CXXConstructExpr, class A)
// CHECK: 2: A b;
// CHECK: 3: UV
// CHECK: 4: [B9.3] (ImplicitCastExpr, LValueToRValue, _Bool)
// CHECK: T: if [B9.4]
// CHECK: Preds (2): B10 B11
// CHECK: Succs (2): B8 B7
// CHECK: [B10]
// CHECK: Preds (1): B2
// CHECK: Succs (1): B9
// CHECK: [B11]
// CHECK: 1: (CXXConstructExpr, class A)
// CHECK: 2: A a;
// CHECK: Preds (1): B12
// CHECK: Succs (1): B9
// CHECK: [B0 (EXIT)]
// CHECK: Preds (2): B1 B4
// CHECK: [B4 (ENTRY)]
// CHECK: Succs (1): B2
// CHECK: [B1]
// CHECK: 1: [B2.6].~A() (Implicit destructor)
// CHECK: 2: [B2.2].~A() (Implicit destructor)
// CHECK: Preds (2): B3 B2
// CHECK: Succs (1): B0
// CHECK: [B2]
// CHECK: 1: (CXXConstructExpr, class A)
// CHECK: 2: A a;
// CHECK: 3: a
// CHECK: 4: [B2.3] (ImplicitCastExpr, NoOp, const class A)
// CHECK: 5: [B2.4] (CXXConstructExpr, class A)
// CHECK: 6: A b = a;
// CHECK: 7: b
// CHECK: 8: [B2.7] (ImplicitCastExpr, NoOp, const class A)
// CHECK: 9: [B2.8].operator int
// CHECK: 10: [B2.9]()
// CHECK: 11: [B2.10] (ImplicitCastExpr, UserDefinedConversion, int)
// CHECK: T: switch [B2.11]
// CHECK: Preds (1): B4
// CHECK: Succs (1): B1
// CHECK: [B3]
// CHECK: 1: (CXXConstructExpr, class A)
// CHECK: 2: A c;
// CHECK: 3: [B3.2].~A() (Implicit destructor)
// CHECK: Succs (1): B1
// CHECK: [B0 (EXIT)]
// CHECK: Preds (1): B1
// CHECK: [B9 (ENTRY)]
// CHECK: Succs (1): B2
// CHECK: [B1]
// CHECK: 1: [B2.6].~A() (Implicit destructor)
// CHECK: 2: (CXXConstructExpr, class A)
// CHECK: 3: A g;
// CHECK: 4: [B1.3].~A() (Implicit destructor)
// CHECK: 5: [B2.2].~A() (Implicit destructor)
// CHECK: Preds (3): B3 B7 B2
// CHECK: Succs (1): B0
// CHECK: [B2]
// CHECK: 1: (CXXConstructExpr, class A)
// CHECK: 2: A a;
// CHECK: 3: a
// CHECK: 4: [B2.3] (ImplicitCastExpr, NoOp, const class A)
// CHECK: 5: [B2.4] (CXXConstructExpr, class A)
// CHECK: 6: A b = a;
// CHECK: 7: b
// CHECK: 8: [B2.7] (ImplicitCastExpr, NoOp, const class A)
// CHECK: 9: [B2.8].operator int
// CHECK: 10: [B2.9]()
// CHECK: 11: [B2.10] (ImplicitCastExpr, UserDefinedConversion, int)
// CHECK: T: switch [B2.11]
// CHECK: Preds (1): B9
// CHECK: Succs (3): B3 B8
// CHECK: B1
// CHECK: [B3]
// CHECK: case 1:
// CHECK: T: break;
// CHECK: Preds (2): B2 B4
// CHECK: Succs (1): B1
// CHECK: [B4]
// CHECK: 1: (CXXConstructExpr, class A)
// CHECK: 2: A f;
// CHECK: 3: [B4.2].~A() (Implicit destructor)
// CHECK: 4: [B8.2].~A() (Implicit destructor)
// CHECK: Preds (1): B6
// CHECK: Succs (1): B3
// CHECK: [B5]
// CHECK: 1: return;
// CHECK: 2: [B8.2].~A() (Implicit destructor)
// CHECK: 3: [B2.6].~A() (Implicit destructor)
// CHECK: 4: [B2.2].~A() (Implicit destructor)
// CHECK: Preds (1): B6
// CHECK: Succs (1): B0
// CHECK: [B6]
// CHECK: 1: UV
// CHECK: 2: [B6.1] (ImplicitCastExpr, LValueToRValue, _Bool)
// CHECK: T: if [B6.2]
// CHECK: Preds (1): B8
// CHECK: Succs (2): B5 B4
// CHECK: [B7]
// CHECK: 1: [B8.2].~A() (Implicit destructor)
// CHECK: T: break;
// CHECK: Preds (1): B8
// CHECK: Succs (1): B1
// CHECK: [B8]
// CHECK: case 0:
// CHECK: 1: (CXXConstructExpr, class A)
// CHECK: 2: A c;
// CHECK: 3: UV
// CHECK: 4: [B8.3] (ImplicitCastExpr, LValueToRValue, _Bool)
// CHECK: T: if [B8.4]
// CHECK: Preds (1): B2
// CHECK: Succs (2): B7 B6
// CHECK: [B0 (EXIT)]
// CHECK: Preds (2): B1 B5
// CHECK: [B6 (ENTRY)]
// CHECK: Succs (1): B5
// CHECK: [B1]
// CHECK: 1: [B2.4].~A() (Implicit destructor)
// CHECK: 2: [B5.2].~A() (Implicit destructor)
// CHECK: Preds (1): B2
// CHECK: Succs (1): B0
// CHECK: [B2]
// CHECK: 1: a
// CHECK: 2: [B2.1] (ImplicitCastExpr, NoOp, const class A)
// CHECK: 3: [B2.2] (CXXConstructExpr, class A)
// CHECK: 4: A b = a;
// CHECK: 5: b
// CHECK: 6: [B2.5] (ImplicitCastExpr, NoOp, const class A)
// CHECK: 7: [B2.6].operator int
// CHECK: 8: [B2.7]()
// CHECK: 9: [B2.8] (ImplicitCastExpr, UserDefinedConversion, int)
// CHECK: 10: [B2.9] (ImplicitCastExpr, IntegralToBoolean, _Bool)
// CHECK: T: for (...; [B2.10]; )
// CHECK: Preds (2): B3 B5
// CHECK: Succs (2): B4 B1
// CHECK: [B3]
// CHECK: 1: [B2.4].~A() (Implicit destructor)
// CHECK: Preds (1): B4
// CHECK: Succs (1): B2
// CHECK: [B4]
// CHECK: 1: (CXXConstructExpr, class A)
// CHECK: 2: A c;
// CHECK: 3: [B4.2].~A() (Implicit destructor)
// CHECK: Preds (1): B2
// CHECK: Succs (1): B3
// CHECK: [B5]
// CHECK: 1: (CXXConstructExpr, class A)
// CHECK: 2: A a;
// CHECK: Preds (1): B6
// CHECK: Succs (1): B2
// CHECK: [B0 (EXIT)]
// CHECK: Preds (1): B1
// CHECK: [B12 (ENTRY)]
// CHECK: Succs (1): B11
// CHECK: [B1]
// CHECK: 1: [B2.4].~A() (Implicit destructor)
// CHECK: 2: [B11.4].~A() (Implicit destructor)
// CHECK: 3: (CXXConstructExpr, class A)
// CHECK: 4: A f;
// CHECK: 5: [B1.4].~A() (Implicit destructor)
// CHECK: 6: [B11.2].~A() (Implicit destructor)
// CHECK: Preds (2): B9 B2
// CHECK: Succs (1): B0
// CHECK: [B2]
// CHECK: 1: b
// CHECK: 2: [B2.1] (ImplicitCastExpr, NoOp, const class A)
// CHECK: 3: [B2.2] (CXXConstructExpr, class A)
// CHECK: 4: A c = b;
// CHECK: 5: c
// CHECK: 6: [B2.5] (ImplicitCastExpr, NoOp, const class A)
// CHECK: 7: [B2.6].operator int
// CHECK: 8: [B2.7]()
// CHECK: 9: [B2.8] (ImplicitCastExpr, UserDefinedConversion, int)
// CHECK: 10: [B2.9] (ImplicitCastExpr, IntegralToBoolean, _Bool)
// CHECK: T: for (...; [B2.10]; )
// CHECK: Preds (2): B3 B11
// CHECK: Succs (2): B10 B1
// CHECK: [B3]
// CHECK: 1: [B2.4].~A() (Implicit destructor)
// CHECK: Preds (2): B4 B7
// CHECK: Succs (1): B2
// CHECK: [B4]
// CHECK: 1: (CXXConstructExpr, class A)
// CHECK: 2: A e;
// CHECK: 3: [B4.2].~A() (Implicit destructor)
// CHECK: 4: [B10.2].~A() (Implicit destructor)
// CHECK: Preds (1): B6
// CHECK: Succs (1): B3
// CHECK: [B5]
// CHECK: 1: return;
// CHECK: 2: [B10.2].~A() (Implicit destructor)
// CHECK: 3: [B2.4].~A() (Implicit destructor)
// CHECK: 4: [B11.4].~A() (Implicit destructor)
// CHECK: 5: [B11.2].~A() (Implicit destructor)
// CHECK: Preds (1): B6
// CHECK: Succs (1): B0
// CHECK: [B6]
// CHECK: 1: UV
// CHECK: 2: [B6.1] (ImplicitCastExpr, LValueToRValue, _Bool)
// CHECK: T: if [B6.2]
// CHECK: Preds (1): B8
// CHECK: Succs (2): B5 B4
// CHECK: [B7]
// CHECK: 1: [B10.2].~A() (Implicit destructor)
// CHECK: T: continue;
// CHECK: Preds (1): B8
// CHECK: Succs (1): B3
// CHECK: [B8]
// CHECK: 1: UV
// CHECK: 2: [B8.1] (ImplicitCastExpr, LValueToRValue, _Bool)
// CHECK: T: if [B8.2]
// CHECK: Preds (1): B10
// CHECK: Succs (2): B7 B6
// CHECK: [B9]
// CHECK: 1: [B10.2].~A() (Implicit destructor)
// CHECK: T: break;
// CHECK: Preds (1): B10
// CHECK: Succs (1): B1
// CHECK: [B10]
// CHECK: 1: (CXXConstructExpr, class A)
// CHECK: 2: A d;
// CHECK: 3: UV
// CHECK: 4: [B10.3] (ImplicitCastExpr, LValueToRValue, _Bool)
// CHECK: T: if [B10.4]
// CHECK: Preds (1): B2
// CHECK: Succs (2): B9 B8
// CHECK: [B11]
// CHECK: 1: (CXXConstructExpr, class A)
// CHECK: 2: A a;
// CHECK: 3: (CXXConstructExpr, class A)
// CHECK: 4: A b;
// CHECK: Preds (1): B12
// CHECK: Succs (1): B2
// CHECK: [B0 (EXIT)]
// CHECK: Preds (2): B1 B5
// CHECK: [B3 (ENTRY)]
// CHECK: Succs (1): B0
// CHECK: [B1]
// CHECK: T: try ...
// CHECK: Succs (2): B2 B0
// CHECK: [B2]
// CHECK: catch (const A &e):
// CHECK: 1: catch (const A &e) {
// CHECK: }
// CHECK: Preds (1): B1
// CHECK: Succs (1): B0
// CHECK: [B0 (EXIT)]
// CHECK: Preds (3): B2 B1 B3
// CHECK: [B3 (ENTRY)]
// CHECK: Succs (1): B0
// CHECK: [B1]
// CHECK: T: try ...
// CHECK: Succs (2): B2 B0
// CHECK: [B2]
// CHECK: catch (A e):
// CHECK: 1: catch (A e) {
// CHECK: }
// CHECK: 2: [B2.1].~A() (Implicit destructor)
// CHECK: Preds (1): B1
// CHECK: Succs (1): B0
// CHECK: [B0 (EXIT)]
// CHECK: Preds (3): B2 B1 B3