ARM64: Propagate notification about aborted compilation from RegExpEngine to MacroAssembler.

src/regexp-macro-assembler.h

Index: src/regexp-macro-assembler.h
diff --git a/src/regexp-macro-assembler.h b/src/regexp-macro-assembler.h
index c0a8d0027ed1ffb286a9e070c86e93d0b69e873e..df244249b630320117a6b7d6cc47dc3315a82e74 100644
--- a/src/regexp-macro-assembler.h
+++ b/src/regexp-macro-assembler.h
@@ -45,6 +45,9 @@ class RegExpMacroAssembler {
 
   RegExpMacroAssembler(Isolate* isolate, Zone* zone);
   virtual ~RegExpMacroAssembler();
+  // This function is called when code generation is aborted, so that
+  // the assembler could clean up internal data structures.
+  virtual void AbortedCodeGeneration() {}
   // The maximal number of pushes between stack checks. Users must supply
   // kCheckStackLimit flag to push operations (instead of kNoStackLimitCheck)
   // at least once for every stack_limit() pushes that are executed.