Bug 1484184 - Remove now unused _RAISE macro check to deal with MSVC 2017 15.8. r=froydnj

--HG--
extra : source : b38403f36056d301321c128be96ee60d14739859

memory/mozalloc/moz.build

@@ -16,10 +16,9 @@ if CONFIG['WRAP_STL_INCLUDES']:
         EXPORTS.mozilla += ['throw_gcc.h']
     elif CONFIG['CC_TYPE'] in ('msvc', 'clang-cl'):
         DEFINES['_HAS_EXCEPTIONS'] = 0
-        if CONFIG['MOZ_MSVC_STL_WRAP_RAISE']:
-            SOURCES += [
-                'msvc_raise_wrappers.cpp',
-            ]
+        SOURCES += [
+            'msvc_raise_wrappers.cpp',
+        ]
 
 if CONFIG['OS_TARGET'] == 'WINNT':
     # Keep this file separate to avoid #include'ing windows.h everywhere.

old-configure.in

@@ -281,35 +281,8 @@ case "$target" in
 
         unset _MSVC_VER_FILTER
 
-        AC_CACHE_CHECK(for overridable _RAISE,
-                       ac_cv_have__RAISE,
-            [
-                AC_LANG_SAVE
-                AC_LANG_CPLUSPLUS
-                _SAVE_CXXFLAGS="$CXXFLAGS"
-                CXXFLAGS="${CXXFLAGS} -D_HAS_EXCEPTIONS=0"
-                AC_TRY_COMPILE([#include <xstddef>
-                                #undef _RAISE
-                                #define _RAISE(x) externallyDefinedFunction((x).what())
-                                #include <vector>
-                               ],
-                               [std::vector<int> v; return v.at(1);],
-                               ac_cv_have__RAISE="no",
-                               ac_cv_have__RAISE="yes")
-                CXXFLAGS="$_SAVE_CXXFLAGS"
-                AC_LANG_RESTORE
-            ])
-        if test "$ac_cv_have__RAISE" = "yes"; then
-            WRAP_STL_INCLUDES=1
-            MOZ_MSVC_STL_WRAP_RAISE=1
-            AC_DEFINE(MOZ_MSVC_STL_WRAP_RAISE)
-        else
-            AC_MSG_ERROR([Gecko exception wrapping doesn't understand your your MSVC/SDK.  Please file a bug describing this error and your build configuration.])
-        fi
-
-        if test "$WRAP_STL_INCLUDES" = "1"; then
-            STL_FLAGS="-I${DIST}/stl_wrappers"
-        fi
+        WRAP_STL_INCLUDES=1
+        STL_FLAGS="-I${DIST}/stl_wrappers"
         CFLAGS="$CFLAGS -D_HAS_EXCEPTIONS=0"
         CXXFLAGS="$CXXFLAGS -D_HAS_EXCEPTIONS=0"
     else
@@ -395,7 +368,6 @@ AC_SUBST(GNU_CXX)
 
 AC_SUBST_LIST(STL_FLAGS)
 AC_SUBST(WRAP_STL_INCLUDES)
-AC_SUBST(MOZ_MSVC_STL_WRAP_RAISE)
 
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