Fast-codegen: Adding support for try/catch and throw.

src/ia32/fast-codegen-ia32.cc

Index: src/ia32/fast-codegen-ia32.cc
diff --git a/src/ia32/fast-codegen-ia32.cc b/src/ia32/fast-codegen-ia32.cc
index a927e9a3f622d5766db9500c854ae10e1aca846d..b382eb2d4c25cc21aee726f41447bca1ec094598 100644
--- a/src/ia32/fast-codegen-ia32.cc
+++ b/src/ia32/fast-codegen-ia32.cc
@@ -1711,11 +1711,6 @@ void FastCodeGenerator::ExitFinallyBlock() {
 }
 
 
-void FastCodeGenerator::ThrowException() {
-  __ push(result_register());
-  __ CallRuntime(Runtime::kThrow, 1);
-}
-
 #undef __
 
 } }  // namespace v8::internal