Make FlushICache part of Assembler(Base) and take Isolate as parameter.

src/arm64/assembler-arm64.h

Index: src/arm64/assembler-arm64.h
diff --git a/src/arm64/assembler-arm64.h b/src/arm64/assembler-arm64.h
index a7e5a06640212544632cd2c195d2f429311e75f3..4de52b681907260c6027c44fcb3444ebd7bc6533 100644
--- a/src/arm64/assembler-arm64.h
+++ b/src/arm64/assembler-arm64.h
@@ -2279,7 +2279,7 @@ class PatchingAssembler : public Assembler {
     DCHECK(IsConstPoolEmpty());
     // Flush the Instruction cache.
     size_t length = buffer_size_ - kGap;
-    CpuFeatures::FlushICache(buffer_, length);
+    Assembler::FlushICache(isolate(), buffer_, length);

[Michael Starzinger, 2015/09/11 12:18:05]

This will crash, because the underlying assembler above is initialized wirh
isolate == NULL!

[Michael Lippautz, 2015/09/11 12:25:15]

Thanks for catching this ... ;)

   }
 
   // See definition of PatchAdrFar() for details.