expr-comma-c99.c revision 8e8fb3be5bd78f0564444eca02b404566a5f3b5d 
1// RUN: %clang_cc1 %s -fsyntax-only -verify -std=c99
2// expected-no-diagnostics
3// rdar://6095180
4
5struct s { char c[17]; };
6extern struct s foo(void);
7
8struct s a, b, c;
9
10int A[sizeof((foo().c)) == 17 ? 1 : -1];
11int B[sizeof((a.c)) == 17 ? 1 : -1];
12
13
14// comma does array/function promotion in c99.
15int X[sizeof(0, (foo().c)) == sizeof(char*) ? 1 : -1];
16int Y[sizeof(0, (a,b).c) == sizeof(char*) ? 1 : -1];
17int Z[sizeof(0, (a=b).c) == sizeof(char*) ? 1 : -1];
18
19