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From: "kargl at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug fortran/99840] [9/10/11 Regression] ICE in gfc_simplify_matmul, at fortran/simplify.c:4777
Date: Tue, 30 Mar 2021 20:05:30 +0000 [thread overview]
Message-ID: <bug-99840-4-Aq6GN9U1aw@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-99840-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99840
kargl at gcc dot gnu.org changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |kargl at gcc dot gnu.org
--- Comment #2 from kargl at gcc dot gnu.org ---
Patch. Check if a or b is zero-sized.
diff --git a/gcc/fortran/simplify.c b/gcc/fortran/simplify.c
index 388aca7c38c..6c5259c648d 100644
--- a/gcc/fortran/simplify.c
+++ b/gcc/fortran/simplify.c
@@ -4728,7 +4728,9 @@ gfc_simplify_matmul (gfc_expr *matrix_a, gfc_expr
*matrix_b)
int stride_a, offset_a, stride_b, offset_b;
if (!is_constant_array_expr (matrix_a)
- || !is_constant_array_expr (matrix_b))
+ || gfc_is_size_zero_array (matrix_a)
+ || !is_constant_array_expr (matrix_b)
+ || gfc_is_size_zero_array (matrix_b))
return NULL;
/* MATMUL should do mixed-mode arithmetic. Set the result type. */
next prev parent reply other threads:[~2021-03-30 20:05 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-30 19:13 [Bug fortran/99840] New: " gscfq@t-online.de
2021-03-30 19:53 ` [Bug fortran/99840] " anlauf at gcc dot gnu.org
2021-03-30 20:05 ` kargl at gcc dot gnu.org [this message]
2021-03-31 8:10 ` rguenth at gcc dot gnu.org
2021-03-31 12:54 ` marxin at gcc dot gnu.org
2021-03-31 20:38 ` anlauf at gcc dot gnu.org
2021-03-31 20:51 ` anlauf at gcc dot gnu.org
2021-03-31 21:07 ` sgk at troutmask dot apl.washington.edu
2021-03-31 21:11 ` anlauf at gmx dot de
2021-03-31 21:12 ` anlauf at gcc dot gnu.org
2021-04-01 5:50 ` cvs-commit at gcc dot gnu.org
2021-04-01 6:15 ` cvs-commit at gcc dot gnu.org
2021-04-02 18:54 ` cvs-commit at gcc dot gnu.org
2021-04-02 19:02 ` cvs-commit at gcc dot gnu.org
2021-04-02 19:03 ` anlauf at gcc dot gnu.org
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