erts: Fix literal size bug when only old instance exists

fix for already merged but not releases 808b2f4d53e446aed07f85716c5c4b85abb3d18a

1 files changed, 5 insertions, 3 deletions

diff --git a/erts/emulator/beam/break.c b/erts/emulator/beam/break.c
index 5d34c83c1a..71934e1376 100644
--- a/erts/emulator/beam/break.c
+++ b/erts/emulator/beam/break.c
@@ -381,10 +381,12 @@ info(fmtfn_t to, void *to_arg)
 
 static int code_size(struct erl_module_instance* modi)
 {
-    ErtsLiteralArea* lit = modi->code_hdr->literal_area;
     int size = modi->code_length;
-    if (lit) {
-        size += (lit->end - lit->start) * sizeof(Eterm);
+
+    if (modi->code_hdr) {
+        ErtsLiteralArea* lit = modi->code_hdr->literal_area;
+        if (lit)
+            size += (lit->end - lit->start) * sizeof(Eterm);
     }
     return size;
 }