Bug 1102964 - Fix optimized build unused variable warnings in jit/. r=sunfish

--HG--
extra : rebase_source : 936082739eb5ea0da62e10a408b8601cb6622cc2

js/src/jit/BaselineDebugModeOSR.cpp

@@ -392,7 +392,8 @@ PatchBaselineFramesForDebugMode(JSContext *cx, const Debugger::ExecutionObservab
             // We undo a previous recompile by handling cases B, C, D, and E
             // like normal, except that we retrieved the pc information via
             // the previous OSR debug info stashed on the frame.
-            if (BaselineDebugModeOSRInfo *info = iter.baselineFrame()->getDebugModeOSRInfo()) {
+            BaselineDebugModeOSRInfo *info = iter.baselineFrame()->getDebugModeOSRInfo();
+            if (info) {
                 MOZ_ASSERT(info->pc == pc);
                 MOZ_ASSERT(info->frameKind == kind);
 

js/src/jit/RangeAnalysis.h

@@ -234,7 +234,8 @@ class Range : public TempObject {
         // exponent 30, which is strictly less than MaxInt32Exponent. For
         // another example, 1.9 has an exponent of 0 but requires upper_ to be
         // at least 2, which has exponent 1.
-        uint32_t adjustedExponent = max_exponent_ + (canHaveFractionalPart_ ? 1 : 0);
+        mozilla::DebugOnly<uint32_t> adjustedExponent = max_exponent_ +
+            (canHaveFractionalPart_ ? 1 : 0);
         MOZ_ASSERT_IF(!hasInt32LowerBound_ || !hasInt32UpperBound_,
                       adjustedExponent >= MaxInt32Exponent);
         MOZ_ASSERT(adjustedExponent >= mozilla::FloorLog2(mozilla::Abs(upper_)));