Replace HThrow with HCallRuntime.

src/mips/lithium-codegen-mips.cc

Index: src/mips/lithium-codegen-mips.cc
diff --git a/src/mips/lithium-codegen-mips.cc b/src/mips/lithium-codegen-mips.cc
index da96eb24c9af151f22863d090891aa3ca8d6f4f9..b1f012a7a4d0bcb73dc2c78df686306f5fa22615 100644
--- a/src/mips/lithium-codegen-mips.cc
+++ b/src/mips/lithium-codegen-mips.cc
@@ -1802,17 +1802,6 @@ 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();