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authorHarald Anlauf <anlauf@gmx.de>2020-07-02 20:48:16 +0200
committerHarald Anlauf <anlauf@gmx.de>2020-07-02 20:48:16 +0200
commitb88744905a46be44ffa3c57d46080f601ae832b8 (patch)
treefd62b1c2cf23187e8ee85af5ca08282716a35638 /gcc/fortran/resolve.c
parentd9fb6f2b4f1321b059807ff6073156f07d9d376b (diff)
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PR fortran/93423 - ICE on invalid with argument list for module procedure
When recovering from an error, a NULL pointer dereference could occur. Check for that situation and punt. gcc/fortran/ PR fortran/93423 * resolve.c (resolve_symbol): Avoid NULL pointer dereference.
Diffstat (limited to 'gcc/fortran/resolve.c')
-rw-r--r--gcc/fortran/resolve.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/gcc/fortran/resolve.c b/gcc/fortran/resolve.c
index 1952b53..5cc9f72 100644
--- a/gcc/fortran/resolve.c
+++ b/gcc/fortran/resolve.c
@@ -15918,7 +15918,7 @@ resolve_symbol (gfc_symbol *sym)
if (formal)
{
sym->formal_ns = formal->sym->ns;
- if (sym->ns != formal->sym->ns)
+ if (sym->formal_ns && sym->ns != formal->sym->ns)
sym->formal_ns->refs++;
}
}