[regexp] Port RegExp.prototype.exec to TurboFan

src/code-stub-assembler.h

Index: src/code-stub-assembler.h
diff --git a/src/code-stub-assembler.h b/src/code-stub-assembler.h
index 936c5d267799b52aee590fc4cbe85ae5e9143a57..baf86a15e7f7ee80b6e01e2f9cebb3df0e9b9d31 100644
--- a/src/code-stub-assembler.h
+++ b/src/code-stub-assembler.h
@@ -467,6 +467,11 @@ class CodeStubAssembler : public compiler::CodeAssembler {
                               PrimitiveType primitive_type,
                               char const* method_name);
 
+  // Throws a TypeError for {method_name} if {value} is not of the given
+  // instance type. Returns {value}'s map.
+  compiler::Node* ThrowIfNotType(compiler::Node* context, compiler::Node* value,

[Igor Sheludko, 2016/09/29 12:55:29]

Suggestion: ThrowIfNotInstanceType

[jgruber, 2016/09/29 14:40:27]

Done.

+                                 int instance_type, char const* method_name);

[Igor Sheludko, 2016/09/29 12:55:29]

InstanceType instance_type

[jgruber, 2016/09/29 14:40:27]

Done.

+
   // String helpers.
   // Load a character from a String (might flatten a ConsString).
   compiler::Node* StringCharCodeAt(compiler::Node* string,