Fixed potential segfault in variable definition stats logging

RussellJoyce · RussellJoyce · commit 5b656cea7f24 · 2020-10-15T17:07:44.000+01:00
diff --git a/stats.c b/stats.c
@@ -722,7 +722,7 @@ void stats_log_stack_pop(struct ParseState *parser, struct Value *Var)
 
 void stats_log_variable_definition(struct ParseState *parser, char *Ident, struct ValueType *Typ, int IsGlobal)
 {
-    if (parser->pc->CollectStats && Typ) {
+    if (parser && parser->pc->CollectStats && Typ) {
         int Size = Typ->Sizeof;
 
         if (IsGlobal) {

Original file line number	Diff line number	Diff line change
`@@ -722,7 +722,7 @@ void stats_log_stack_pop(struct ParseState parser, struct Value Var)`
`722`	`722`
`723`	`723`	`void stats_log_variable_definition(struct ParseState parser, char Ident, struct ValueType *Typ, int IsGlobal)`
`724`	`724`	`{`
`725`		`- if (parser->pc->CollectStats && Typ) {`
	`725`	`+ if (parser && parser->pc->CollectStats && Typ) {`
`726`	`726`	`int Size = Typ->Sizeof;`
`727`	`727`
`728`	`728`	`if (IsGlobal) {`