ref: 789a6430296fd5b0dadddda1b815c57abc485594
parent: 75b5e92d61a5b92846f7b8e3c038a2eedc2a8623
author: Ori Bernstein <[email protected]>
date: Fri Jan 13 23:26:31 EST 2023
pic: error instead of crashing on nonexistent variables
--- a/sys/src/cmd/pic/misc.c
+++ b/sys/src/cmd/pic/misc.c
@@ -370,7 +370,7 @@
static YYSTYPE bug;
struct symtab *stp;
- if (p->o_type != BLOCK) {
+ if (p == NULL || p->o_type != BLOCK) {
ERROR ".%s is not in that block", s WARNING;
return(bug);
}