[regexp] fix interpreted regexp.

R=ishell@chromium.org

Review URL: https://codereview.chromium.org/1889803002

Cr-Commit-Position: refs/heads/master@{#35486}

src/regexp/regexp-macro-assembler.cc

@@ -100,6 +100,15 @@ void RegExpMacroAssembler::CheckNotInSurrogatePair(int cp_offset,
   Bind(&ok);
 }
 
+void RegExpMacroAssembler::CheckPosition(int cp_offset,
+                                         Label* on_outside_input) {
+  LoadCurrentCharacter(cp_offset, on_outside_input, true);
+}
+
+bool RegExpMacroAssembler::CheckSpecialCharacterClass(uc16 type,
+                                                      Label* on_no_match) {
+  return false;
+}
 
 #ifndef V8_INTERPRETED_REGEXP  // Avoid unused code, e.g., on ARM.
 

src/regexp/regexp-macro-assembler.h

@@ -113,12 +113,12 @@ class RegExpMacroAssembler {
 
   // Checks whether the given offset from the current position is before
   // the end of the string.  May overwrite the current character.
-  virtual void CheckPosition(int cp_offset, Label* on_outside_input) = 0;
+  virtual void CheckPosition(int cp_offset, Label* on_outside_input);
   // Check whether a standard/default character class matches the current
   // character. Returns false if the type of special character class does
   // not have custom support.
   // May clobber the current loaded character.
-  virtual bool CheckSpecialCharacterClass(uc16 type, Label* on_no_match) = 0;
+  virtual bool CheckSpecialCharacterClass(uc16 type, Label* on_no_match);
   virtual void Fail() = 0;
   virtual Handle<HeapObject> GetCode(Handle<String> source) = 0;
   virtual void GoTo(Label* label) = 0;