Split up an assertion of x && y && z into separate asserts for x, y, and z, for easier at-a-glance understandings of failures should the assertion ever be hit. No bug, r=sparky

--HG--
extra : rebase_source : a110a0bfce4eecb0c47cba054cb858223f75acf4

js/src/methodjit/LoopState.cpp

@@ -42,9 +42,9 @@ bool
 LoopState::init(jsbytecode *head, Jump entry, jsbytecode *entryTarget)
 {
     this->lifetime = outerAnalysis->getLoop(head);
-    JS_ASSERT(lifetime &&
-              lifetime->head == uint32_t(head - outerScript->code) &&
-              lifetime->entry == uint32_t(entryTarget - outerScript->code));
+    JS_ASSERT(lifetime);
+    JS_ASSERT(lifetime->head == uint32_t(head - outerScript->code));
+    JS_ASSERT(lifetime->entry == uint32_t(entryTarget - outerScript->code));
 
     this->entry = entry;