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authorHarald Anlauf <anlauf@gmx.de>2023-02-13 22:02:44 +0100
committerHarald Anlauf <anlauf@gmx.de>2023-02-13 22:06:10 +0100
commit2ce7e2a83e18a27fe9c659f8667fc24f0df4ea9a (patch)
treec66705d0afcae3f2ba1ca7e0ac0a1d99a160916a /gcc/fortran/primary.cc
parent00b8a212ea2132fb68e42488317392346e169035 (diff)
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Fortran: error recovery after invalid use of CLASS variable [PR103475]
gcc/fortran/ChangeLog: PR fortran/103475 * primary.cc (gfc_expr_attr): Avoid NULL pointer dereference for invalid use of CLASS variable. gcc/testsuite/ChangeLog: PR fortran/103475 * gfortran.dg/pr103475.f90: New test.
Diffstat (limited to 'gcc/fortran/primary.cc')
-rw-r--r--gcc/fortran/primary.cc2
1 files changed, 1 insertions, 1 deletions
diff --git a/gcc/fortran/primary.cc b/gcc/fortran/primary.cc
index 28ce5fe..1bea17d 100644
--- a/gcc/fortran/primary.cc
+++ b/gcc/fortran/primary.cc
@@ -2770,7 +2770,7 @@ gfc_expr_attr (gfc_expr *e)
{
gfc_symbol *sym = e->value.function.esym->result;
attr = sym->attr;
- if (sym->ts.type == BT_CLASS)
+ if (sym->ts.type == BT_CLASS && sym->attr.class_ok)
{
attr.dimension = CLASS_DATA (sym)->attr.dimension;
attr.pointer = CLASS_DATA (sym)->attr.class_pointer;