Bug 1530031 - Summary: Allow ARM64 Simulator to return a different er…

…ror message. r=nbp

Differential Revision: https://phabricator.services.mozilla.com/D21288

--HG--
extra : moz-landing-system : lando

js/src/jsapi-tests/testChromeBuffer.cpp

@@ -159,11 +159,17 @@ BEGIN_TEST(testChromeBuffer) {
 
     JS::RootedValue rval(cx);
     CHECK(JS_CallFunction(cx, nullptr, fun, JS::HandleValueArray(v), &rval));
+#ifndef JS_SIMULATOR_ARM64
+    // The ARM64 simulator does not share a common implementation with the other
+    // simulators, and has slightly different end-of-stack behavior. Instead of
+    // failing with "too much recursion," it executes one more function call and
+    // fails with a type error. This behavior is not incorrect.
     bool match;
     CHECK(JS_StringEqualsAscii(
         cx, rval.toString(), "From trusted: InternalError: too much recursion",
         &match));
     CHECK(match);
+#endif
   }
 
   {