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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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10
test/std/strings/c.strings/cwchar.pass.cpp
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@@ -40,6 +40,16 @@ int main()
char* ns = 0;
wchar_t* ws = 0;
((void)mb); // Prevent unused warning
((void)s); // Prevent unused warning
((void)tm); // Prevent unused warning
((void)w); // Prevent unused warning
((void)fp); // Prevent unused warning
((void)va); // Prevent unused warning
((void)ns); // Prevent unused warning
((void)ws); // Prevent unused warning
static_assert((std::is_same<decltype(std::fwprintf(fp, L"")), int>::value), "");
static_assert((std::is_same<decltype(std::fwscanf(fp, L"")), int>::value), "");
static_assert((std::is_same<decltype(std::swprintf(ws, s, L"")), int>::value), "");