When displaying a PSEUDO_SYM, the corresponding symbol is
dereferenced but it's possible that this symbol is NULL
when a type error is present.
Fix this by explicitly checking against null ->sym and
emitting "<bad symbol>" if null.
Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@xxxxxxxxx>
---
linearize.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/linearize.c b/linearize.c
index 3b4b0d9b4..c174d631f 100644
--- a/linearize.c
+++ b/linearize.c
@@ -111,6 +111,10 @@ const char *show_pseudo(pseudo_t pseudo)
struct symbol *sym = pseudo->sym;
struct expression *expr;
+ if (!sym) {
+ snprintf(buf, 64, "<bad symbol>");
+ break;
+ }
if (sym->bb_target) {
snprintf(buf, 64, ".L%u", sym->bb_target->nr);
break;
--
2.16.0
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