From 355f44dd11620b6a6070be13648cdcb35dcd5105 Mon Sep 17 00:00:00 2001
From: Aleksey Shipilev <shade@openjdk.org>
Date: Tue, 20 Oct 2020 05:31:39 +0000
Subject: [PATCH] 8254994: [x86] C1 StubAssembler::call_RT, "call_offset might
 not be initialized"

Reviewed-by: chagedorn, kvn
---
 src/hotspot/cpu/x86/c1_Runtime1_x86.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/hotspot/cpu/x86/c1_Runtime1_x86.cpp b/src/hotspot/cpu/x86/c1_Runtime1_x86.cpp
index 53935539a36..60347c41163 100644
--- a/src/hotspot/cpu/x86/c1_Runtime1_x86.cpp
+++ b/src/hotspot/cpu/x86/c1_Runtime1_x86.cpp
@@ -69,7 +69,7 @@ int StubAssembler::call_RT(Register oop_result1, Register metadata_result, addre
   push(thread);
 #endif // _LP64
 
-  int call_offset;
+  int call_offset = -1;
   if (!align_stack) {
     set_last_Java_frame(thread, noreg, rbp, NULL);
   } else {
@@ -133,6 +133,8 @@ int StubAssembler::call_RT(Register oop_result1, Register metadata_result, addre
   if (metadata_result->is_valid()) {
     get_vm_result_2(metadata_result, thread);
   }
+
+  assert(call_offset >= 0, "Should be set");
   return call_offset;
 }