WTF/JSC update to r148273

This brings in various bug fixes in the ARM and MIPS assemblers as well as
a Yarr crash fix and performance fix.

This change doesn't compile as-is, but the next change will
apply the modifications necessary to compile. That'll make future updates
easier as it allows for cherry-picking because the modifications are usually
always the same.

Change-Id: Iac32f62c71e8ff908deb41f28f12fbc98c0823e1
Reviewed-by: Lars Knoll <lars.knoll@digia.com>

1 files changed, 29 insertions, 11 deletions

diff --git a/src/3rdparty/masm/wtf/Compiler.h b/src/3rdparty/masm/wtf/Compiler.h
index a9ef419c18..b886f37151 100644
--- a/src/3rdparty/masm/wtf/Compiler.h
+++ b/src/3rdparty/masm/wtf/Compiler.h
@@ -60,8 +60,10 @@
 #define WTF_COMPILER_SUPPORTS_CXX_EXPLICIT_CONVERSIONS __has_feature(cxx_explicit_conversions)
 #define WTF_COMPILER_SUPPORTS_BLOCKS __has_feature(blocks)
 #define WTF_COMPILER_SUPPORTS_C_STATIC_ASSERT __has_extension(c_static_assert)
+#define WTF_COMPILER_SUPPORTS_CXX_STATIC_ASSERT __has_extension(cxx_static_assert)
 #define WTF_COMPILER_SUPPORTS_CXX_OVERRIDE_CONTROL __has_extension(cxx_override_control)
 #define WTF_COMPILER_SUPPORTS_HAS_TRIVIAL_DESTRUCTOR __has_extension(has_trivial_destructor)
+#define WTF_COMPILER_SUPPORTS_CXX_STRONG_ENUMS __has_extension(cxx_strong_enums)
 
 #endif
 
@@ -93,7 +95,6 @@
 #endif
 
 /* COMPILER(RVCT) - ARM RealView Compilation Tools */
-/* COMPILER(RVCT4_OR_GREATER) - ARM RealView Compilation Tools 4.0 or greater */
 #if defined(__CC_ARM) || defined(__ARMCC__)
 #define WTF_COMPILER_RVCT 1
 #define RVCT_VERSION_AT_LEAST(major, minor, patch, build) (__ARMCC_VERSION >= (major * 100000 + minor * 10000 + patch * 1000 + build))
@@ -122,19 +123,36 @@
 
 /* Specific compiler features */
 #if COMPILER(GCC) && !COMPILER(CLANG)
-#if GCC_VERSION_AT_LEAST(4, 7, 0) && defined(__cplusplus) && __cplusplus >= 201103L
+#if GCC_VERSION_AT_LEAST(4, 8, 0)
+#pragma GCC diagnostic ignored "-Wunused-local-typedefs"
+#endif
+#if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L
+/* C11 support */
+#define WTF_COMPILER_SUPPORTS_C_STATIC_ASSERT 1
+#endif
+#if defined(__GXX_EXPERIMENTAL_CXX0X__) || (defined(__cplusplus) && __cplusplus >= 201103L)
+/* C++11 support */
+#if GCC_VERSION_AT_LEAST(4, 3, 0)
 #define WTF_COMPILER_SUPPORTS_CXX_RVALUE_REFERENCES 1
+#define WTF_COMPILER_SUPPORTS_CXX_STATIC_ASSERT 1
+#define WTF_COMPILER_SUPPORTS_CXX_VARIADIC_TEMPLATES 1
+#endif
+#if GCC_VERSION_AT_LEAST(4, 4, 0)
 #define WTF_COMPILER_SUPPORTS_CXX_DELETED_FUNCTIONS 1
+#endif
+#if GCC_VERSION_AT_LEAST(4, 5, 0)
+#define WTF_COMPILER_SUPPORTS_CXX_EXPLICIT_CONVERSIONS 1
+#endif
+#if GCC_VERSION_AT_LEAST(4, 6, 0)
 #define WTF_COMPILER_SUPPORTS_CXX_NULLPTR 1
-#define WTF_COMPILER_SUPPORTS_CXX_OVERRIDE_CONTROL 1
-#define WTF_COMPILER_QUIRK_GCC11_GLOBAL_ISINF_ISNAN 1
-
-#elif GCC_VERSION_AT_LEAST(4, 6, 0) && defined(__GXX_EXPERIMENTAL_CXX0X__)
-#define WTF_COMPILER_SUPPORTS_CXX_NULLPTR 1 
-#define WTF_COMPILER_QUIRK_GCC11_GLOBAL_ISINF_ISNAN 1
+/* Strong enums should work from gcc 4.4, but doesn't seem to support some operators */
+#define WTF_COMPILER_SUPPORTS_CXX_STRONG_ENUMS 1
 #endif
-
+#if GCC_VERSION_AT_LEAST(4, 7, 0)
+#define WTF_COMPILER_SUPPORTS_CXX_OVERRIDE_CONTROL 1
 #endif
+#endif /* defined(__GXX_EXPERIMENTAL_CXX0X__) || (defined(__cplusplus) && __cplusplus >= 201103L) */
+#endif /* COMPILER(GCC) */
 
 /* COMPILER(MINGW) - MinGW GCC */
 /* COMPILER(MINGW64) - mingw-w64 GCC - only used as additional check to exclude mingw.org specific functions */
@@ -188,7 +206,7 @@
 /* UNLIKELY */
 
 #ifndef UNLIKELY
-#if COMPILER(GCC) || (RVCT_VERSION_AT_LEAST(3, 0, 0, 0) && defined(__GNUC__))
+#if COMPILER(GCC) || (COMPILER(RVCT) && defined(__GNUC__))
 #define UNLIKELY(x) __builtin_expect((x), 0)
 #else
 #define UNLIKELY(x) (x)
@@ -199,7 +217,7 @@
 /* LIKELY */
 
 #ifndef LIKELY
-#if COMPILER(GCC) || (RVCT_VERSION_AT_LEAST(3, 0, 0, 0) && defined(__GNUC__))
+#if COMPILER(GCC) || (COMPILER(RVCT) && defined(__GNUC__))
 #define LIKELY(x) __builtin_expect((x), 1)
 #else
 #define LIKELY(x) (x)