[x86/Linux] Add Assertion on pvControlPc (dotnet/coreclr#9356)

Commit migrated from https://github.com/dotnet/coreclr/commit/a702f3f0a4a178ec1f1597c7cb47a35c0940d57b

diff --git a/src/coreclr/src/vm/i386/gmsx86.cpp b/src/coreclr/src/vm/i386/gmsx86.cpp
index 34d6585..840a50d 100644 (file)
--- a/src/coreclr/src/vm/i386/gmsx86.cpp
+++ b/src/coreclr/src/vm/i386/gmsx86.cpp
@@ -1323,6 +1323,8 @@ void LazyMachState::unwindLazyState(LazyMachState* baseState,
 
         pvControlPc = GetIP(&ctx);
 
+        _ASSERTE(pvControlPc != 0);
+
         if (funCallDepth > 0)
         {
             --funCallDepth;