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836de6babb
* In C++, never create a FunctionNoProtoType for a builtin (fixes C++1z crasher from r289754). * Fix type of __sync_synchronize to be a no-parameter function rather than a varargs function. This matches GCC. * Fix type of vfprintf to match its actual type. We gave it a wrong type due to PR4290 (apparently autoconf generates invalid code and expects compilers to choke it down or it miscompiles the program; the relevant error in clang was downgraded to a warning in r122744 to fix other occurrences of this autoconf brokenness, so we don't need this workaround any more). * Turn off vararg argument checking for __noop, since it's not *really* a varargs function. Alternatively we could add custom type checking for it and synthesize parameter types matching the actual arguments in each call, but that seemed like overkill. llvm-svn: 290146
7 lines
274 B
C
7 lines
274 B
C
// RUN: %clang_cc1 %s -fsyntax-only -verify
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// PR4290
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// The following declaration is not compatible with vfprintf(), but make
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// sure this isn't an error: autoconf expects this to build.
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char vfprintf(); // expected-warning {{declaration of built-in function 'vfprintf'}}
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