Hide some runtime functions.

src/arm/macro-assembler-arm.cc

Index: src/arm/macro-assembler-arm.cc
diff --git a/src/arm/macro-assembler-arm.cc b/src/arm/macro-assembler-arm.cc
index 3121d4a5cf27bfcc15a01884c09d6cf7c6a4f44a..2bfe09f7683c06db74c71c41dbe46182ae84a5f2 100644
--- a/src/arm/macro-assembler-arm.cc
+++ b/src/arm/macro-assembler-arm.cc
@@ -2432,7 +2432,7 @@ void MacroAssembler::CallApiFunctionAndReturn(
   {
     FrameScope frame(this, StackFrame::INTERNAL);
     CallExternalReference(
-        ExternalReference(Runtime::kPromoteScheduledException, isolate()),
+        ExternalReference(Runtime::kHiddenPromoteScheduledException, isolate()),
         0);
   }
   jmp(&exception_handled);
@@ -3846,9 +3846,9 @@ void MacroAssembler::Throw(BailoutReason reason) {
     // We don't actually want to generate a pile of code for this, so just
     // claim there is a stack frame, without generating one.
     FrameScope scope(this, StackFrame::NONE);
-    CallRuntime(Runtime::kThrowMessage, 1);
+    CallRuntime(Runtime::kHiddenThrowMessage, 1);
   } else {
-    CallRuntime(Runtime::kThrowMessage, 1);
+    CallRuntime(Runtime::kHiddenThrowMessage, 1);
   }
   // will not return here
   if (is_const_pool_blocked()) {