Replace HThrow with HCallRuntime.

src/arm/lithium-codegen-arm.cc

Index: src/arm/lithium-codegen-arm.cc
diff --git a/src/arm/lithium-codegen-arm.cc b/src/arm/lithium-codegen-arm.cc
index 5ed93caba02f7c2a9ccdd209d7e00a65c99977ef..b04424d58c4ddce249077e06aa389818a11aad44 100644
--- a/src/arm/lithium-codegen-arm.cc
+++ b/src/arm/lithium-codegen-arm.cc
@@ -2015,17 +2015,6 @@ void LCodeGen::DoSeqStringSetChar(LSeqStringSetChar* instr) {
 }
 
 
-void LCodeGen::DoThrow(LThrow* instr) {
-  __ push(ToRegister(instr->value()));
-  ASSERT(ToRegister(instr->context()).is(cp));
-  CallRuntime(Runtime::kThrow, 1, instr);
-
-  if (FLAG_debug_code) {
-    __ stop("Unreachable code.");
-  }
-}
-
-
 void LCodeGen::DoAddI(LAddI* instr) {
   LOperand* left = instr->left();
   LOperand* right = instr->right();