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authorHarald Anlauf <anlauf@gmx.de>2022-03-29 22:12:15 +0200
committerHarald Anlauf <anlauf@gmx.de>2022-03-29 22:12:15 +0200
commit69db6e7f4e1d07bf8f33e93a29139cc16c1e0a2f (patch)
tree4504994de43298c72445021d9de0ed3f3dbe3f21 /gcc/fortran/resolve.cc
parenteb59ddf57fbc4bf1d2deaf0665ede4aa37181069 (diff)
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Fortran: avoid NULL pointer dereference checking elemental procedure args
gcc/fortran/ChangeLog: PR fortran/104571 * resolve.cc (resolve_elemental_actual): Avoid NULL pointer dereference. gcc/testsuite/ChangeLog: PR fortran/104571 * gfortran.dg/pr104571.f90: New test. Co-authored-by: Steven G. Kargl <kargl@gcc.gnu.org>
Diffstat (limited to 'gcc/fortran/resolve.cc')
-rw-r--r--gcc/fortran/resolve.cc5
1 files changed, 3 insertions, 2 deletions
diff --git a/gcc/fortran/resolve.cc b/gcc/fortran/resolve.cc
index 2907677..21c8797 100644
--- a/gcc/fortran/resolve.cc
+++ b/gcc/fortran/resolve.cc
@@ -2397,8 +2397,9 @@ resolve_elemental_actual (gfc_expr *expr, gfc_code *c)
if (rank > 0 && esym && expr == NULL)
for (eformal = esym->formal, arg = arg0; arg && eformal;
arg = arg->next, eformal = eformal->next)
- if ((eformal->sym->attr.intent == INTENT_OUT
- || eformal->sym->attr.intent == INTENT_INOUT)
+ if (eformal->sym
+ && (eformal->sym->attr.intent == INTENT_OUT
+ || eformal->sym->attr.intent == INTENT_INOUT)
&& arg->expr && arg->expr->rank == 0)
{
gfc_error ("Actual argument at %L for INTENT(%s) dummy %qs of "