Backed out changeset 2b2f69d46d30 (bug 975182) for SM(arm) failures.

CLOSED TREE

js/src/jit-test/tests/asm.js/testBug975182.js

@@ -1,18 +0,0 @@
-Function("\
-    g = (function(t,foreign){\
-        \"use asm\";\
-        var ff = foreign.ff;\
-        function f() {\
-            +ff()\
-        }\
-        return f\
-    })(this, {\
-        ff: arguments.callee\
-    }, ArrayBuffer(4096))\
-")()
-function m(f) {
-    for (var j = 0; j < 6000; ++j) {
-        f();
-    }
-}
-m(g);

js/src/jit/AsmJSSignalHandlers.cpp

@@ -1031,10 +1031,10 @@ js::TriggerOperationCallbackForAsmJSCode(JSRuntime *rt)
 
 #if defined(XP_WIN)
     DWORD oldProtect;
-    if (!VirtualProtect(module.codeBase(), module.functionBytes(), PAGE_READWRITE, &oldProtect))
+    if (!VirtualProtect(module.codeBase(), module.functionBytes(), PAGE_NOACCESS, &oldProtect))
         MOZ_CRASH();
 #else  // assume Unix
-    if (mprotect(module.codeBase(), module.functionBytes(), PROT_READ|PROT_WRITE))
+    if (mprotect(module.codeBase(), module.functionBytes(), PROT_NONE))
         MOZ_CRASH();
 #endif
 }