639ffb0c07
As a bonus, fix the warning for || and && operators; it was emitted even if one of the operands had side effects, e.g: x || test_logical_foo1(); emitted a bogus "expression result unused" for 'x'. llvm-svn: 107274
18 lines
728 B
C
18 lines
728 B
C
// RUN: %clang_cc1 %s -fsyntax-only -verify -std=c89
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// rdar://6095180
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struct s { char c[17]; };
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extern struct s foo(void);
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struct s a, b, c;
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int A[sizeof((foo().c)) == 17 ? 1 : -1];
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int B[sizeof((a.c)) == 17 ? 1 : -1];
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// comma does not promote array/function in c90 unless they are lvalues.
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int W[sizeof(0, a.c) == sizeof(char*) ? 1 : -1]; // expected-warning {{expression result unused}}
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int X[sizeof(0, (foo().c)) == 17 ? 1 : -1]; // expected-warning {{expression result unused}}
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int Y[sizeof(0, (a,b).c) == 17 ? 1 : -1]; // expected-warning {{expression result unused}} // expected-warning {{expression result unused}}
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int Z[sizeof(0, (a=b).c) == 17 ? 1 : -1]; // expected-warning {{expression result unused}}
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