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// RUN: %clang_cc1 -std=c++17 -triple x86_64-unknown-unknown -ast-dump %s \
// RUN: | FileCheck -strict-whitespace %s
struct S {
struct {
int i;
};
};
int accessInRegularFunction() {
return S().i;
// CHECK: FunctionDecl {{.*}} accessInRegularFunction 'int ()'
// CHECK: | `-ReturnStmt {{.*}}
// CHECK-NEXT: | `-ExprWithCleanups {{.*}} 'int'
// CHECK-NEXT: | `-ImplicitCastExpr {{.*}} 'int' <LValueToRValue>
// CHECK-NEXT: | `-MemberExpr {{.*}} 'int' xvalue .i
// CHECK-NEXT: | `-MemberExpr {{.*}} 'S::(anonymous struct at {{.*}})
// CHECK-NEXT: | `-MaterializeTemporaryExpr {{.*}} 'S' xvalue
// CHECK-NEXT: | `-CXXTemporaryObjectExpr {{.*}} 'S' 'void () noexcept' zeroing
}
// AST should look the same in a function template with an unused template
// parameter.
template <class>
int accessInFunctionTemplate() {
return S().i;
// CHECK: FunctionDecl {{.*}} accessInFunctionTemplate 'int ()'
// CHECK: | `-ReturnStmt {{.*}}
// CHECK-NEXT: | `-ExprWithCleanups {{.*}} 'int'
// CHECK-NEXT: | `-ImplicitCastExpr {{.*}} 'int' <LValueToRValue>
// CHECK-NEXT: | `-MemberExpr {{.*}} 'int' xvalue .i
// CHECK-NEXT: | `-MemberExpr {{.*}} 'S::(anonymous struct at {{.*}})
// CHECK-NEXT: | `-MaterializeTemporaryExpr {{.*}} 'S' xvalue
// CHECK-NEXT: | `-CXXTemporaryObjectExpr {{.*}} 'S' 'void () noexcept' zeroing
}
// AST should look the same in an instantiation of the function template.
// This is a regression test: The AST used to contain the
// `MaterializeTemporaryExpr` in the wrong place, causing a `MemberExpr` to have
// a prvalue base (which is not allowed in C++).
template int accessInFunctionTemplate<int>();
// CHECK: FunctionDecl {{.*}} accessInFunctionTemplate 'int ()' explicit_instantiation_definition
// CHECK: `-ReturnStmt {{.*}}
// CHECK-NEXT: `-ExprWithCleanups {{.*}} 'int'
// CHECK-NEXT: `-ImplicitCastExpr {{.*}} 'int' <LValueToRValue>
// CHECK-NEXT: `-MemberExpr {{.*}} 'int' xvalue .i
// CHECK-NEXT: `-MemberExpr {{.*}} 'S::(anonymous struct at {{.*}})
// CHECK-NEXT: `-MaterializeTemporaryExpr {{.*}} 'S' xvalue
// CHECK-NEXT: `-CXXTemporaryObjectExpr {{.*}} 'S' 'void () noexcept' zeroing
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