1f4a2713aSLionel Sambuc // RUN: %clang_cc1 %s -fsyntax-only -verify -std=c99 -Wno-sizeof-array-decay
2f4a2713aSLionel Sambuc // rdar://6095180
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4f4a2713aSLionel Sambuc struct s { char c[17]; };
5f4a2713aSLionel Sambuc extern struct s foo(void);
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7f4a2713aSLionel Sambuc struct s a, b, c;
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9f4a2713aSLionel Sambuc int A[sizeof((foo().c)) == 17 ? 1 : -1];
10f4a2713aSLionel Sambuc int B[sizeof((a.c)) == 17 ? 1 : -1];
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13f4a2713aSLionel Sambuc // comma does array/function promotion in c99.
14f4a2713aSLionel Sambuc int X[sizeof(0, (foo().c)) == sizeof(char*) ? 1 : -1];
15f4a2713aSLionel Sambuc int Y[sizeof(0, (a,b).c) == sizeof(char*) ? 1 : -1];
16*0a6a1f1dSLionel Sambuc int Z[sizeof(0, (a=b).c) == sizeof(char*) ? 1 : -1]; // expected-warning {{expression with side effects has no effect in an unevaluated context}}
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