1 // RUN: %clang_cc1 %s -fsyntax-only -pedantic -verify
2
foo()3 void foo() {
4 return foo();
5 }
6
7 // PR6451 - C++ Jump checking
8 struct X {
9 X();
10 };
11
test2()12 void test2() {
13 goto later; // expected-error {{cannot jump}}
14 X x; // expected-note {{jump bypasses variable initialization}}
15 later:
16 ;
17 }
18
19 namespace PR6536 {
20 struct A {};
a()21 void a() { goto out; A x; out: return; }
22 }
23
test3()24 void test3() {
25 __asm__ ("":"+r" (test3)); // expected-error{{invalid lvalue in asm output}}
26 }
27
28 void test4(); // expected-note{{possible target for call}}
test4(int)29 void test4(int) { // expected-note{{possible target for call}}
30 // expected-error@+1{{overloaded function could not be resolved}}
31 __asm__ ("":"+r" (test4)); // expected-error{{invalid lvalue in asm output}}
32 }
test5()33 void test5() {
34 char buf[1];
35 __asm__ ("":"+r" (buf));
36 }
37
38 struct MMX_t {};
test6()39 void test6() { __asm__("" : "=m"(*(MMX_t *)0)); }
40
41 template <typename T>
test7(T v)42 T test7(T v) {
43 return ({ // expected-warning{{use of GNU statement expression extension}}
44 T a = v;
45 a;
46 ;
47 ;
48 });
49 }
50
test8()51 void test8() {
52 int a = test7(1);
53 double b = test7(2.0);
54 }
55
56 namespace GH48405 {
foo()57 void foo() {
58 struct S {
59 int i;
60 int j = ({i;}); // expected-error {{invalid use of non-static data member 'i'}}
61 // expected-error@-1 {{cannot initialize a member subobject of type 'int' with an rvalue of type 'void'}}
62 // expected-warning@-2 {{use of GNU statement expression extension}}
63 };
64 }
65 }
66