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double-conversion.cc: Fix developer build with clang-cl 

clang-cl errors out with an unknown #pragma on the scope turning
off optimization for MSVC2012. Remove it since MSVC2012 is no longer
supported.

Change-Id: I46610885e10158bc5b3666b7698dc1162dbac8a7
Reviewed-by: Ulf Hermann <ulf.hermann@qt.io>
bb10
Friedemann Kleint 2019-12-19 10:24:55 +01:00
parent 512b87bc28
commit e2f4c5f4a1
1 changed files with 1 additions and 13 deletions
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14
src/3rdparty/double-conversion/double-conversion.cc vendored
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@ -535,22 +535,10 @@ static double SignedZero(bool sign) {
// Returns true if 'c' is a decimal digit that is valid for the given radix.
//
// The function is small and could be inlined, but VS2012 emitted a warning
// because it constant-propagated the radix and concluded that the last
// condition was always true. By moving it into a separate function the
// compiler wouldn't warn anymore.
#ifdef _MSC_VER
#pragma optimize("",off)
static bool IsDecimalDigitForRadix(int c, int radix) {
return '0' <= c && c <= '9' && (c - '0') < radix;
}
#pragma optimize("",on)
#else
static bool inline IsDecimalDigitForRadix(int c, int radix) {
return '0' <= c && c <= '9' && (c - '0') < radix;
}
#endif
// Returns true if 'c' is a character digit that is valid for the given radix.
// The 'a_character' should be 'a' or 'A'.
//