36 lines
1.3 KiB
C
36 lines
1.3 KiB
C
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// RUN: %clang_cc1 %s -verify -Wconversion
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// Don't crash (rdar://11168596)
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#define A(desc) _Pragma("clang diagnostic push") _Pragma("clang diagnostic ignored \"-Wparentheses\"") _Pragma("clang diagnostic pop")
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#define B(desc) A(desc)
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B(_Pragma("clang diagnostic ignored \"-Wparentheses\""))
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#define EMPTY(x)
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#define INACTIVE(x) EMPTY(x)
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#define ID(x) x
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#define ACTIVE(x) ID(x)
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// This should be ignored..
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INACTIVE(_Pragma("clang diagnostic ignored \"-Wconversion\""))
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#define IGNORE_CONV _Pragma("clang diagnostic ignored \"-Wconversion\"") _Pragma("clang diagnostic ignored \"-Wconversion\"")
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// ..as should this.
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INACTIVE(IGNORE_CONV)
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#define IGNORE_POPPUSH(Pop, Push, W, D) Push W D Pop
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IGNORE_POPPUSH(_Pragma("clang diagnostic pop"), _Pragma("clang diagnostic push"),
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_Pragma("clang diagnostic ignored \"-Wconversion\""), int q = (double)1.0);
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int x1 = (double)1.0; // expected-warning {{implicit conversion}}
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ACTIVE(_Pragma) ("clang diagnostic ignored \"-Wconversion\"")) // expected-error {{_Pragma takes a parenthesized string literal}} \
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expected-error {{expected identifier or '('}} expected-error {{expected ')'}} expected-note {{to match this '('}}
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// This should disable the warning.
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ACTIVE(IGNORE_CONV)
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int x2 = (double)1.0;
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