Modify PUC Lua to wrap C++ exceptions (#12445)

lib/lua/src/lstate.h

@@ -86,6 +86,7 @@ typedef struct global_State {
   int gcpause;  /* size of pause between successive GCs */
   int gcstepmul;  /* GC `granularity' */
   lua_CFunction panic;  /* to be called in unprotected errors */
+  lua_CFunctionwrapper wrapcf; /* MINETEST-SPECIFIC CHANGE */
   TValue l_registry;
   struct lua_State *mainthread;
   UpVal uvhead;  /* head of double-linked list of all open upvalues */