Revert to enabling all of -O2 as it exposes a bug in the toolchain.

gm/bitmaprect.cpp

Index: gm/bitmaprect.cpp
diff --git a/gm/bitmaprect.cpp b/gm/bitmaprect.cpp
index 8b292837f321180ae7b5a011e1cd7dc9d86238f1..7376173678f948fd29043948b9e187bb52b2231e 100644
--- a/gm/bitmaprect.cpp
+++ b/gm/bitmaprect.cpp
@@ -45,6 +45,13 @@ protected:
         return SkISize::Make(640, 480);
     }
 
+#ifdef SK_CPU_ARM64
+    // Skip tiled drawing on 64-bit ARM until https://skbug.com/2908 is fixed.
+    virtual uint32_t onGetFlags() const SK_OVERRIDE {
+        return this->INHERITED::onGetFlags() | GM::kSkipTiled_Flag;

[mtklein, 2014/09/03 20:24:13]

Seems fine, but all these can just be

return kSkipTiled_Flag;

+    }
+#endif
+
     virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
         canvas->drawColor(0xFFCCCCCC);