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Bug 1303463 - Use safer STRICT_ASSIGN on VisualStudio. r=jwalden

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This commit is contained in:
Tooru Fujisawa 2016-09-20 16:57:08 +09:00
parent fcdff1b513
commit a96c9fd437
2 changed files with 24 additions and 1 deletions
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23
modules/fdlibm/patches/15_use_safer_strict_assign_on_visual_studio.patch Normal file
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@ -0,0 +1,23 @@
diff --git a/modules/fdlibm/src/math_private.h b/modules/fdlibm/src/math_private.h
--- a/modules/fdlibm/src/math_private.h
+++ b/modules/fdlibm/src/math_private.h
@@ -271,17 +271,17 @@ do { \
/* The above works on non-i386 too, but we use this to check v. */
#define LD80C(m, ex, v) { .e = (v), }
#endif
#ifdef FLT_EVAL_METHOD
/*
* Attempt to get strict C99 semantics for assignment with non-C99 compilers.
*/
-#if FLT_EVAL_METHOD == 0 || __GNUC__ == 0
+#if !defined(_MSC_VER) && (FLT_EVAL_METHOD == 0 || __GNUC__ == 0)
#define STRICT_ASSIGN(type, lval, rval) ((lval) = (rval))
#else
#define STRICT_ASSIGN(type, lval, rval) do { \
volatile type __lval; \
\
if (sizeof(type) >= sizeof(long double)) \
(lval) = (rval); \
else { \

2
modules/fdlibm/src/math_private.h
View File

@ -276,7 +276,7 @@ do { \
/*
* Attempt to get strict C99 semantics for assignment with non-C99 compilers.
*/
#if FLT_EVAL_METHOD == 0 || __GNUC__ == 0
#if !defined(_MSC_VER) && (FLT_EVAL_METHOD == 0 || __GNUC__ == 0)
#define STRICT_ASSIGN(type, lval, rval) ((lval) = (rval))
#else
#define STRICT_ASSIGN(type, lval, rval) do { \