29 lines
636 B
C
29 lines
636 B
C
// RUN: %clang_cc1 %s -E -CC -verify
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// RUN: %clang_cc1 %s -E -CC -DPEDANTIC -pedantic -verify
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#define FOO && 1
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#if defined FOO FOO
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#endif
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#define A
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#define B defined(A)
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#if B // expected-warning{{macro expansion producing 'defined' has undefined behavior}}
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#endif
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#define m_foo
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#define TEST(a) (defined(m_##a) && a)
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#if defined(PEDANTIC)
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// expected-warning@+4{{macro expansion producing 'defined' has undefined behavior}}
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#endif
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// This shouldn't warn by default, only with pedantic:
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#if TEST(foo)
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#endif
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// Only one diagnostic for this case:
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#define INVALID defined(
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#if INVALID // expected-error{{macro name missing}}
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#endif
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