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Void cast runtime-unused variables. Patch from STL@microsoft.com

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git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@268284 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Fiselier
2016-05-02 19:15:48 +00:00
parent 61a220ae5b
commit a9ea11398d
23 changed files with 69 additions and 15 deletions
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5
test/std/input.output/file.streams/c.files/cstdio.pass.cpp
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@@ -91,6 +91,11 @@ int main()
std::size_t s = 0;
char* cp = 0;
std::va_list va;
((void)fp); // Prevent unused warning
((void)fpos); // Prevent unused warning
((void)s); // Prevent unused warning
((void)cp); // Prevent unused warning
((void)va); // Prevent unused warning
static_assert((std::is_same<decltype(std::fclose(fp)), int>::value), "");
static_assert((std::is_same<decltype(std::fflush(fp)), int>::value), "");
static_assert((std::is_same<decltype(std::setbuf(fp,cp)), void>::value), "");