Rollback trunk to 3.21.16.2

src/mips/code-stubs-mips.cc

Index: src/mips/code-stubs-mips.cc
diff --git a/src/mips/code-stubs-mips.cc b/src/mips/code-stubs-mips.cc
index ee49b25f45d5d4c1d9d20f8284caeee56df8d696..0589bf01624997e680c44c851a5f68ec48e1efe0 100644
--- a/src/mips/code-stubs-mips.cc
+++ b/src/mips/code-stubs-mips.cc
@@ -2795,9 +2795,8 @@ void CEntryStub::GenerateCore(MacroAssembler* masm,
   if (do_gc) {
     // Move result passed in v0 into a0 to call PerformGC.
     __ mov(a0, v0);
-    __ PrepareCallCFunction(2, 0, a1);
-    __ li(a1, Operand(ExternalReference::isolate_address(masm->isolate())));
-    __ CallCFunction(ExternalReference::perform_gc_function(isolate), 2, 0);
+    __ PrepareCallCFunction(1, 0, a1);
+    __ CallCFunction(ExternalReference::perform_gc_function(isolate), 1, 0);
   }
 
   ExternalReference scope_depth =
@@ -2876,7 +2875,7 @@ void CEntryStub::GenerateCore(MacroAssembler* masm,
   // v0:v1: result
   // sp: stack pointer
   // fp: frame pointer
-  __ LeaveExitFrame(save_doubles_, s0, true, EMIT_RETURN);
+  __ LeaveExitFrame(save_doubles_, s0, true);
 
   // Check if we should retry or throw exception.
   Label retry;
@@ -3409,7 +3408,8 @@ void StringLengthStub::Generate(MacroAssembler* masm) {
     receiver = a0;
   }
 
-  StubCompiler::GenerateLoadStringLength(masm, receiver, a3, t0, &miss);
+  StubCompiler::GenerateLoadStringLength(masm, receiver, a3, t0, &miss,
+                                         support_wrapper_);
 
   __ bind(&miss);
   StubCompiler::TailCallBuiltin(
@@ -4156,7 +4156,7 @@ void RegExpExecStub::Generate(MacroAssembler* masm) {
   DirectCEntryStub stub;
   stub.GenerateCall(masm, t9);
 
-  __ LeaveExitFrame(false, no_reg, true);
+  __ LeaveExitFrame(false, no_reg);
 
   // v0: result
   // subject: subject string (callee saved)