gpu-compute: init valid field of GpuTlbEntry in default ctor

valid field for GpuTlbEntry is not set in the default ctor, which can
lead to strange behavior, and is also flagged by UBSAN.

diff --git a/src/gpu-compute/gpu_tlb.hh b/src/gpu-compute/gpu_tlb.hh
index 9c1a7b32614a7094b55d2b6cf89ba6e4dc13b7a4..7a7485c48d9f84fa8abf19244be7edb83ef7ba9f 100644 (file)
--- a/src/gpu-compute/gpu_tlb.hh
+++ b/src/gpu-compute/gpu_tlb.hh
@@ -68,7 +68,7 @@ namespace X86ISA
         GpuTlbEntry(Addr asn, Addr _vaddr, Addr _paddr, bool _valid)
           : TlbEntry(asn, _vaddr, _paddr, false, false), valid(_valid) { }
 
-        GpuTlbEntry() : TlbEntry() { }
+        GpuTlbEntry() : TlbEntry(), valid(false) { }
 
         bool valid;
     };