nihilist/tor
1
0
Fork 0
mirror of https://gitlab.torproject.org/tpo/core/tor.git synced 2024-11-30 23:53:32 +01:00
Code Issues Packages Projects Releases Wiki Activity

Merge branch 'maint-0.2.9' into maint-0.3.0

Browse Source
This commit is contained in:
Nick Mathewson 2017-07-26 12:53:38 -04:00
commit 3c017e823b
2 changed files with 19 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
changes/bug22915 Normal file
View File

@ -0,0 +1,3 @@
o Minor bugfixes (compilation warnings):
- Suppress -Wdouble-promotion warnings with clang 4.0. Fixes bug 22915;
bugfix on 0.2.8.1-alpha.

16
src/common/util.c
View File

@ -5744,6 +5744,18 @@ clamp_double_to_int64(double number)
#define PROBLEMATIC_FLOAT_CONVERSION_WARNING
DISABLE_GCC_WARNING(float-conversion)
#endif
/*
With clang 4.0 we apparently run into "double promotion" warnings here,
since clang thinks we're promoting a double to a long double.
*/
#if defined(__clang__)
#if __has_warning("-Wdouble-promotion")
#define PROBLEMATIC_DOUBLE_PROMOTION_WARNING
DISABLE_GCC_WARNING(double-promotion)
#endif
#endif
/* NaN is a special case that can't be used with the logic below. */
if (isnan(number)) {
return 0;
@ -5769,6 +5781,10 @@ DISABLE_GCC_WARNING(float-conversion)
/* Handle infinities and finite numbers with magnitude >= 2^63. */
return signbit(number) ? INT64_MIN : INT64_MAX;
#ifdef PROBLEMATIC_DOUBLE_PROMOTION_WARNING
ENABLE_GCC_WARNING(double-promotion)
#endif
#ifdef PROBLEMATIC_FLOAT_CONVERSION_WARNING
ENABLE_GCC_WARNING(float-conversion)
#endif