Vendor import of clang trunk r126079:

http://llvm.org/svn/llvm-project/cfe/trunk@126079

1 files changed, 591 insertions, 0 deletions

diff --git a/test/Analysis/temp-obj-dtors-cfg-output.cpp b/test/Analysis/temp-obj-dtors-cfg-output.cpp
new file mode 100644
index 0000000..5ed782c
--- /dev/null
+++ b/test/Analysis/temp-obj-dtors-cfg-output.cpp
@@ -0,0 +1,591 @@
+// RUN: %clang_cc1 -analyze -analyzer-checker=debug.DumpCFG -cfg-add-implicit-dtors -cfg-add-initializers %s 2>&1 | FileCheck %s
+// XPASS: *
+
+class A {
+public:
+  A() {}
+  ~A() {}
+
+  static A make() { return A(); }
+
+  operator bool() { return false; }
+  operator int() { return 0; }
+};
+
+class B {
+public:
+  B() {}
+  ~B() {}
+
+  operator bool() { return true; }
+  operator int() { return 1; }
+  operator A() { return A(); }
+};
+
+void foo(int);
+void foo(bool);
+void foo(const A&);
+
+void test_binary() {
+  int a = int(A()) + int(B());
+  foo(int(A()) + int(B()));
+  int b;
+}
+
+void test_and() {
+  bool a = A() && B();
+  foo(A() && B());
+  int b;
+}
+
+void test_or() {
+  bool a = A() || B();
+  foo(A() || B());
+  int b;
+}
+
+void test_cond() {
+  A a = B() ? A() : A(B());
+  if (B()) { foo(0); } else { foo(0); }
+  int b;
+}
+
+void test_cond_cref() {
+  const A& a = B() ? A() : A(B());
+  foo(B() ? A() : A(B()));
+  int b;
+}
+
+void test_cond_implicit() {
+  A a = A() ?: A();
+  int b;
+}
+
+void test_cond_implicit_cref() {
+  const A& a = A() ?: A();
+  foo(A() ?: A());
+  int b;
+}
+
+void test_copy_init() {
+  A a = A();
+  int b;
+}
+
+void test_cref_init() {
+  const A& a = A();
+  foo(A());
+  int b;
+}
+
+void test_call_copy_init() {
+  A a = A::make();
+  int b;
+}
+
+void test_call_cref_init() {
+  const A& a = A::make();
+  foo(A::make());
+  int b;
+}
+
+void test_assign() {
+  int a;
+  a = A();
+  int b;
+}
+
+class TestCtorInits {
+  int a;
+  int b;
+public:
+  TestCtorInits();
+};
+
+TestCtorInits::TestCtorInits()
+  : a(int(A()) + int(B()))
+  , b() {}
+
+// CHECK: [ B2 (ENTRY) ]
+// CHECK:    Predecessors (0):
+// CHECK:    Successors (1): B1
+// CHECK: [ B1 ]
+// CHECK:      1: A()
+// CHECK:      2: [B1.1].operator int()
+// CHECK:      3: B()
+// CHECK:      4: [B1.3].operator int()
+// CHECK:      5: int a = int(A().operator int()) + int(B().operator int());
+// CHECK:      6: ~B() (Temporary object destructor)
+// CHECK:      7: ~A() (Temporary object destructor)
+// CHECK:      8: A()
+// CHECK:      9: [B1.8].operator int()
+// CHECK:     10: B()
+// CHECK:     11: [B1.10].operator int()
+// CHECK:     12: foo(int([B1.9]) + int([B1.11]))
+// CHECK:     13: ~B() (Temporary object destructor)
+// CHECK:     14: ~A() (Temporary object destructor)
+// CHECK:     15: int b;
+// CHECK:    Predecessors (1): B2
+// CHECK:    Successors (1): B0
+// CHECK: [ B0 (EXIT) ]
+// CHECK:    Predecessors (1): B1
+// CHECK:    Successors (0):
+// CHECK: [ B10 (ENTRY) ]
+// CHECK:    Predecessors (0):
+// CHECK:    Successors (1): B8
+// CHECK: [ B1 ]
+// CHECK:      1: ~A() (Temporary object destructor)
+// CHECK:      2: int b;
+// CHECK:    Predecessors (2): B2 B3
+// CHECK:    Successors (1): B0
+// CHECK: [ B2 ]
+// CHECK:      1: ~B() (Temporary object destructor)
+// CHECK:    Predecessors (1): B3
+// CHECK:    Successors (1): B1
+// CHECK: [ B3 ]
+// CHECK:      1: [B4.3] && [B5.2]
+// CHECK:      2: foo([B3.1])
+// CHECK:      T: [B4.3] && ...
+// CHECK:    Predecessors (2): B5 B4
+// CHECK:    Successors (2): B2 B1
+// CHECK: [ B4 ]
+// CHECK:      1: ~A() (Temporary object destructor)
+// CHECK:      2: A()
+// CHECK:      3: [B4.2].operator _Bool()
+// CHECK:      T: [B4.3] && ...
+// CHECK:    Predecessors (2): B6 B7
+// CHECK:    Successors (2): B5 B3
+// CHECK: [ B5 ]
+// CHECK:      1: B()
+// CHECK:      2: [B5.1].operator _Bool()
+// CHECK:    Predecessors (1): B4
+// CHECK:    Successors (1): B3
+// CHECK: [ B6 ]
+// CHECK:      1: ~B() (Temporary object destructor)
+// CHECK:    Predecessors (1): B7
+// CHECK:    Successors (1): B4
+// CHECK: [ B7 ]
+// CHECK:      1: [B8.2] && [B9.2]
+// CHECK:      2: bool a = A().operator _Bool() && B().operator _Bool();
+// CHECK:      T: [B8.2] && ...
+// CHECK:    Predecessors (2): B9 B8
+// CHECK:    Successors (2): B6 B4
+// CHECK: [ B8 ]
+// CHECK:      1: A()
+// CHECK:      2: [B8.1].operator _Bool()
+// CHECK:      T: [B8.2] && ...
+// CHECK:    Predecessors (1): B10
+// CHECK:    Successors (2): B9 B7
+// CHECK: [ B9 ]
+// CHECK:      1: B()
+// CHECK:      2: [B9.1].operator _Bool()
+// CHECK:    Predecessors (1): B8
+// CHECK:    Successors (1): B7
+// CHECK: [ B0 (EXIT) ]
+// CHECK:    Predecessors (1): B1
+// CHECK:    Successors (0):
+// CHECK: [ B10 (ENTRY) ]
+// CHECK:    Predecessors (0):
+// CHECK:    Successors (1): B8
+// CHECK: [ B1 ]
+// CHECK:      1: ~A() (Temporary object destructor)
+// CHECK:      2: int b;
+// CHECK:    Predecessors (2): B2 B3
+// CHECK:    Successors (1): B0
+// CHECK: [ B2 ]
+// CHECK:      1: ~B() (Temporary object destructor)
+// CHECK:    Predecessors (1): B3
+// CHECK:    Successors (1): B1
+// CHECK: [ B3 ]
+// CHECK:      1: [B4.3] || [B5.2]
+// CHECK:      2: foo([B3.1])
+// CHECK:      T: [B4.3] || ...
+// CHECK:    Predecessors (2): B5 B4
+// CHECK:    Successors (2): B1 B2
+// CHECK: [ B4 ]
+// CHECK:      1: ~A() (Temporary object destructor)
+// CHECK:      2: A()
+// CHECK:      3: [B4.2].operator _Bool()
+// CHECK:      T: [B4.3] || ...
+// CHECK:    Predecessors (2): B6 B7
+// CHECK:    Successors (2): B3 B5
+// CHECK: [ B5 ]
+// CHECK:      1: B()
+// CHECK:      2: [B5.1].operator _Bool()
+// CHECK:    Predecessors (1): B4
+// CHECK:    Successors (1): B3
+// CHECK: [ B6 ]
+// CHECK:      1: ~B() (Temporary object destructor)
+// CHECK:    Predecessors (1): B7
+// CHECK:    Successors (1): B4
+// CHECK: [ B7 ]
+// CHECK:      1: [B8.2] || [B9.2]
+// CHECK:      2: bool a = A().operator _Bool() || B().operator _Bool();
+// CHECK:      T: [B8.2] || ...
+// CHECK:    Predecessors (2): B9 B8
+// CHECK:    Successors (2): B4 B6
+// CHECK: [ B8 ]
+// CHECK:      1: A()
+// CHECK:      2: [B8.1].operator _Bool()
+// CHECK:      T: [B8.2] || ...
+// CHECK:    Predecessors (1): B10
+// CHECK:    Successors (2): B7 B9
+// CHECK: [ B9 ]
+// CHECK:      1: B()
+// CHECK:      2: [B9.1].operator _Bool()
+// CHECK:    Predecessors (1): B8
+// CHECK:    Successors (1): B7
+// CHECK: [ B0 (EXIT) ]
+// CHECK:    Predecessors (1): B1
+// CHECK:    Successors (0):
+// CHECK: [ B11 (ENTRY) ]
+// CHECK:    Predecessors (0):
+// CHECK:    Successors (1): B10
+// CHECK: [ B1 ]
+// CHECK:      1: int b;
+// CHECK:      2: [B7.2].~A() (Implicit destructor)
+// CHECK:    Predecessors (2): B2 B3
+// CHECK:    Successors (1): B0
+// CHECK: [ B2 ]
+// CHECK:      1: foo(0)
+// CHECK:    Predecessors (1): B4
+// CHECK:    Successors (1): B1
+// CHECK: [ B3 ]
+// CHECK:      1: foo(0)
+// CHECK:    Predecessors (1): B4
+// CHECK:    Successors (1): B1
+// CHECK: [ B4 ]
+// CHECK:      1: ~B() (Temporary object destructor)
+// CHECK:      2: B()
+// CHECK:      3: [B4.2].operator _Bool()
+// CHECK:      4: ~B() (Temporary object destructor)
+// CHECK:      T: if [B4.3]
+// CHECK:    Predecessors (2): B5 B6
+// CHECK:    Successors (2): B3 B2
+// CHECK: [ B5 ]
+// CHECK:      1: ~A() (Temporary object destructor)
+// CHECK:      2: ~A() (Temporary object destructor)
+// CHECK:    Predecessors (1): B7
+// CHECK:    Successors (1): B4
+// CHECK: [ B6 ]
+// CHECK:      1: ~A() (Temporary object destructor)
+// CHECK:      2: ~A() (Temporary object destructor)
+// CHECK:      3: ~A() (Temporary object destructor)
+// CHECK:      4: ~B() (Temporary object destructor)
+// CHECK:    Predecessors (1): B7
+// CHECK:    Successors (1): B4
+// CHECK: [ B7 ]
+// CHECK:      1: [B10.2] ? [B8.2] : [B9.3]
+// CHECK:      2: A a = B().operator _Bool() ? A() : A(B().operator A());
+// CHECK:      T: [B10.2] ? ... : ...
+// CHECK:    Predecessors (2): B8 B9
+// CHECK:    Successors (2): B5 B6
+// CHECK: [ B8 ]
+// CHECK:      1: A()
+// CHECK:      2: [B8.1] (BindTemporary)
+// CHECK:    Predecessors (1): B10
+// CHECK:    Successors (1): B7
+// CHECK: [ B9 ]
+// CHECK:      1: B()
+// CHECK:      2: [B9.1].operator A()
+// CHECK:      3: A([B9.2]) (BindTemporary)
+// CHECK:    Predecessors (1): B10
+// CHECK:    Successors (1): B7
+// CHECK: [ B10 ]
+// CHECK:      1: B()
+// CHECK:      2: [B10.1].operator _Bool()
+// CHECK:      T: [B10.2] ? ... : ...
+// CHECK:    Predecessors (1): B11
+// CHECK:    Successors (2): B8 B9
+// CHECK: [ B0 (EXIT) ]
+// CHECK:    Predecessors (1): B1
+// CHECK:    Successors (0):
+// CHECK: [ B14 (ENTRY) ]
+// CHECK:    Predecessors (0):
+// CHECK:    Successors (1): B13
+// CHECK: [ B1 ]
+// CHECK:      1: ~B() (Temporary object destructor)
+// CHECK:      2: int b;
+// CHECK:      3: [B10.2].~A() (Implicit destructor)
+// CHECK:    Predecessors (2): B2 B3
+// CHECK:    Successors (1): B0
+// CHECK: [ B2 ]
+// CHECK:      1: ~A() (Temporary object destructor)
+// CHECK:      2: ~A() (Temporary object destructor)
+// CHECK:    Predecessors (1): B4
+// CHECK:    Successors (1): B1
+// CHECK: [ B3 ]
+// CHECK:      1: ~A() (Temporary object destructor)
+// CHECK:      2: ~A() (Temporary object destructor)
+// CHECK:      3: ~A() (Temporary object destructor)
+// CHECK:      4: ~B() (Temporary object destructor)
+// CHECK:    Predecessors (1): B4
+// CHECK:    Successors (1): B1
+// CHECK: [ B4 ]
+// CHECK:      1: [B7.3] ? [B5.2] : [B6.3]
+// CHECK:      2: foo([B4.1])
+// CHECK:      T: [B7.3] ? ... : ...
+// CHECK:    Predecessors (2): B5 B6
+// CHECK:    Successors (2): B2 B3
+// CHECK: [ B5 ]
+// CHECK:      1: A()
+// CHECK:      2: [B5.1] (BindTemporary)
+// CHECK:    Predecessors (1): B7
+// CHECK:    Successors (1): B4
+// CHECK: [ B6 ]
+// CHECK:      1: B()
+// CHECK:      2: [B6.1].operator A()
+// CHECK:      3: A([B6.2]) (BindTemporary)
+// CHECK:    Predecessors (1): B7
+// CHECK:    Successors (1): B4
+// CHECK: [ B7 ]
+// CHECK:      1: ~B() (Temporary object destructor)
+// CHECK:      2: B()
+// CHECK:      3: [B7.2].operator _Bool()
+// CHECK:      T: [B7.3] ? ... : ...
+// CHECK:    Predecessors (2): B8 B9
+// CHECK:    Successors (2): B5 B6
+// CHECK: [ B8 ]
+// CHECK:      1: ~A() (Temporary object destructor)
+// CHECK:    Predecessors (1): B10
+// CHECK:    Successors (1): B7
+// CHECK: [ B9 ]
+// CHECK:      1: ~A() (Temporary object destructor)
+// CHECK:      2: ~A() (Temporary object destructor)
+// CHECK:      3: ~B() (Temporary object destructor)
+// CHECK:    Predecessors (1): B10
+// CHECK:    Successors (1): B7
+// CHECK: [ B10 ]
+// CHECK:      1: [B13.2] ? [B11.2] : [B12.3]
+// CHECK:      2: const A &a = B().operator _Bool() ? A() : A(B().operator A());
+// CHECK:      T: [B13.2] ? ... : ...
+// CHECK:    Predecessors (2): B11 B12
+// CHECK:    Successors (2): B8 B9
+// CHECK: [ B11 ]
+// CHECK:      1: A()
+// CHECK:      2: [B11.1] (BindTemporary)
+// CHECK:    Predecessors (1): B13
+// CHECK:    Successors (1): B10
+// CHECK: [ B12 ]
+// CHECK:      1: B()
+// CHECK:      2: [B12.1].operator A()
+// CHECK:      3: A([B12.2]) (BindTemporary)
+// CHECK:    Predecessors (1): B13
+// CHECK:    Successors (1): B10
+// CHECK: [ B13 ]
+// CHECK:      1: B()
+// CHECK:      2: [B13.1].operator _Bool()
+// CHECK:      T: [B13.2] ? ... : ...
+// CHECK:    Predecessors (1): B14
+// CHECK:    Successors (2): B11 B12
+// CHECK: [ B0 (EXIT) ]
+// CHECK:    Predecessors (1): B1
+// CHECK:    Successors (0):
+// CHECK: [ B8 (ENTRY) ]
+// CHECK:    Predecessors (0):
+// CHECK:    Successors (1): B7
+// CHECK: [ B1 ]
+// CHECK:      1: ~A() (Temporary object destructor)
+// CHECK:      2: int b;
+// CHECK:      3: [B4.2].~A() (Implicit destructor)
+// CHECK:    Predecessors (2): B2 B3
+// CHECK:    Successors (1): B0
+// CHECK: [ B2 ]
+// CHECK:      1: ~A() (Temporary object destructor)
+// CHECK:    Predecessors (1): B4
+// CHECK:    Successors (1): B1
+// CHECK: [ B3 ]
+// CHECK:      1: ~A() (Temporary object destructor)
+// CHECK:      2: ~A() (Temporary object destructor)
+// CHECK:    Predecessors (1): B4
+// CHECK:    Successors (1): B1
+// CHECK: [ B4 ]
+// CHECK:      1: [B7.2] ?: [B6.2]
+// CHECK:      2: A a = A() ?: A();
+// CHECK:      T: [B7.3] ? ... : ...
+// CHECK:    Predecessors (2): B5 B6
+// CHECK:    Successors (2): B2 B3
+// CHECK: [ B5 ]
+// CHECK:      1:
+// CHECK:      2: [B5.1] (BindTemporary)
+// CHECK:    Predecessors (1): B7
+// CHECK:    Successors (1): B4
+// CHECK: [ B6 ]
+// CHECK:      1: A()
+// CHECK:      2: [B6.1] (BindTemporary)
+// CHECK:    Predecessors (1): B7
+// CHECK:    Successors (1): B4
+// CHECK: [ B7 ]
+// CHECK:      1: A()
+// CHECK:      2: [B7.1] (BindTemporary)
+// CHECK:      3: .operator _Bool()
+// CHECK:      T: [B7.3] ? ... : ...
+// CHECK:    Predecessors (1): B8
+// CHECK:    Successors (2): B5 B6
+// CHECK: [ B0 (EXIT) ]
+// CHECK:    Predecessors (1): B1
+// CHECK:    Successors (0):
+// CHECK: [ B13 (ENTRY) ]
+// CHECK:    Predecessors (0):
+// CHECK:    Successors (1): B12
+// CHECK: [ B1 ]
+// CHECK:      1: ~A() (Temporary object destructor)
+// CHECK:      2: int b;
+// CHECK:      3: [B9.2].~A() (Implicit destructor)
+// CHECK:    Predecessors (2): B2 B3
+// CHECK:    Successors (1): B0
+// CHECK: [ B2 ]
+// CHECK:      1: ~A() (Temporary object destructor)
+// CHECK:    Predecessors (1): B4
+// CHECK:    Successors (1): B1
+// CHECK: [ B3 ]
+// CHECK:      1: ~A() (Temporary object destructor)
+// CHECK:      2: ~A() (Temporary object destructor)
+// CHECK:    Predecessors (1): B4
+// CHECK:    Successors (1): B1
+// CHECK: [ B4 ]
+// CHECK:      1: [B7.3] ?: [B6.2]
+// CHECK:      2: foo([B4.1])
+// CHECK:      T: [B7.4] ? ... : ...
+// CHECK:    Predecessors (2): B5 B6
+// CHECK:    Successors (2): B2 B3
+// CHECK: [ B5 ]
+// CHECK:      1:
+// CHECK:      2: [B5.1] (BindTemporary)
+// CHECK:    Predecessors (1): B7
+// CHECK:    Successors (1): B4
+// CHECK: [ B6 ]
+// CHECK:      1: A()
+// CHECK:      2: [B6.1] (BindTemporary)
+// CHECK:    Predecessors (1): B7
+// CHECK:    Successors (1): B4
+// CHECK: [ B7 ]
+// CHECK:      1: ~A() (Temporary object destructor)
+// CHECK:      2: A()
+// CHECK:      3: [B7.2] (BindTemporary)
+// CHECK:      4: .operator _Bool()
+// CHECK:      T: [B7.4] ? ... : ...
+// CHECK:    Predecessors (2): B9 B8
+// CHECK:    Successors (2): B5 B6
+// CHECK: [ B8 ]
+// CHECK:      1: ~A() (Temporary object destructor)
+// CHECK:    Predecessors (1): B9
+// CHECK:    Successors (1): B7
+// CHECK: [ B9 ]
+// CHECK:      1: [B12.2] ?: [B11.2]
+// CHECK:      2: const A &a = A() ?: A();
+// CHECK:      T: [B12.3] ? ... : ...
+// CHECK:    Predecessors (2): B10 B11
+// CHECK:    Successors (2): B7 B8
+// CHECK: [ B10 ]
+// CHECK:      1:
+// CHECK:      2: [B10.1] (BindTemporary)
+// CHECK:    Predecessors (1): B12
+// CHECK:    Successors (1): B9
+// CHECK: [ B11 ]
+// CHECK:      1: A()
+// CHECK:      2: [B11.1] (BindTemporary)
+// CHECK:    Predecessors (1): B12
+// CHECK:    Successors (1): B9
+// CHECK: [ B12 ]
+// CHECK:      1: A()
+// CHECK:      2: [B12.1] (BindTemporary)
+// CHECK:      3: .operator _Bool()
+// CHECK:      T: [B12.3] ? ... : ...
+// CHECK:    Predecessors (1): B13
+// CHECK:    Successors (2): B10 B11
+// CHECK: [ B0 (EXIT) ]
+// CHECK:    Predecessors (1): B1
+// CHECK:    Successors (0):
+// CHECK: [ B2 (ENTRY) ]
+// CHECK:    Predecessors (0):
+// CHECK:    Successors (1): B1
+// CHECK: [ B1 ]
+// CHECK:      1: A()
+// CHECK:      2: A a = A();
+// CHECK:      3: ~A() (Temporary object destructor)
+// CHECK:      4: int b;
+// CHECK:      5: [B1.2].~A() (Implicit destructor)
+// CHECK:    Predecessors (1): B2
+// CHECK:    Successors (1): B0
+// CHECK: [ B0 (EXIT) ]
+// CHECK:    Predecessors (1): B1
+// CHECK:    Successors (0):
+// CHECK: [ B2 (ENTRY) ]
+// CHECK:    Predecessors (0):
+// CHECK:    Successors (1): B1
+// CHECK: [ B1 ]
+// CHECK:      1: A()
+// CHECK:      2: const A &a = A();
+// CHECK:      3: A()
+// CHECK:      4: foo([B1.3])
+// CHECK:      5: ~A() (Temporary object destructor)
+// CHECK:      6: int b;
+// CHECK:      7: [B1.2].~A() (Implicit destructor)
+// CHECK:    Predecessors (1): B2
+// CHECK:    Successors (1): B0
+// CHECK: [ B0 (EXIT) ]
+// CHECK:    Predecessors (1): B1
+// CHECK:    Successors (0):
+// CHECK: [ B2 (ENTRY) ]
+// CHECK:    Predecessors (0):
+// CHECK:    Successors (1): B1
+// CHECK: [ B1 ]
+// CHECK:      1: A::make()
+// CHECK:      2: A a = A::make();
+// CHECK:      3: ~A() (Temporary object destructor)
+// CHECK:      4: int b;
+// CHECK:      5: [B1.2].~A() (Implicit destructor)
+// CHECK:    Predecessors (1): B2
+// CHECK:    Successors (1): B0
+// CHECK: [ B0 (EXIT) ]
+// CHECK:    Predecessors (1): B1
+// CHECK:    Successors (0):
+// CHECK: [ B2 (ENTRY) ]
+// CHECK:    Predecessors (0):
+// CHECK:    Successors (1): B1
+// CHECK: [ B1 ]
+// CHECK:      1: A::make()
+// CHECK:      2: const A &a = A::make();
+// CHECK:      3: A::make()
+// CHECK:      4: foo([B1.3])
+// CHECK:      5: ~A() (Temporary object destructor)
+// CHECK:      6: int b;
+// CHECK:      7: [B1.2].~A() (Implicit destructor)
+// CHECK:    Predecessors (1): B2
+// CHECK:    Successors (1): B0
+// CHECK: [ B0 (EXIT) ]
+// CHECK:    Predecessors (1): B1
+// CHECK:    Successors (0):
+// CHECK: [ B2 (ENTRY) ]
+// CHECK:    Predecessors (0):
+// CHECK:    Successors (1): B1
+// CHECK: [ B1 ]
+// CHECK:      1: int a;
+// CHECK:      2: A()
+// CHECK:      3: [B1.2].operator int()
+// CHECK:      4: a = [B1.3]
+// CHECK:      5: ~A() (Temporary object destructor)
+// CHECK:      6: int b;
+// CHECK:    Predecessors (1): B2
+// CHECK:    Successors (1): B0
+// CHECK: [ B0 (EXIT) ]
+// CHECK:    Predecessors (1): B1
+// CHECK:    Successors (0):
+// CHECK: [ B2 (ENTRY) ]
+// CHECK:    Predecessors (0):
+// CHECK:    Successors (1): B1
+// CHECK: [ B1 ]
+// CHECK:      1: A()
+// CHECK:      2: [B1.1].operator int()
+// CHECK:      3: B()
+// CHECK:      4: [B1.3].operator int()
+// CHECK:      5: a(int([B1.2]) + int([B1.4])) (Member initializer)
+// CHECK:      6: ~B() (Temporary object destructor)
+// CHECK:      7: ~A() (Temporary object destructor)
+// CHECK:      8: b(/*implicit*/int()) (Member initializer)
+// CHECK:    Predecessors (1): B2
+// CHECK:    Successors (1): B0
+// CHECK: [ B0 (EXIT) ]
+// CHECK:    Predecessors (1): B1
+// CHECK:    Successors (0):