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Do not ICE in resolve.c (PR fortran/71799)
- From: Martin Liška <mliska at suse dot cz>
- To: GCC Patches <gcc-patches at gcc dot gnu dot org>
- Cc: kargl at gcc dot gnu dot org
- Date: Tue, 19 Jul 2016 13:09:38 +0200
- Subject: Do not ICE in resolve.c (PR fortran/71799)
- Authentication-results: sourceware.org; auth=none
Hi.
Suggested patch was just grabbed from the PR.
Patch can bootstrap on x86_64-linux-gnu and survives regression tests.
Ready to be installed?
Martin
>From e6c55da822bc5a7464edc9cedb9b08f56e310885 Mon Sep 17 00:00:00 2001
From: marxin <mliska@suse.cz>
Date: Mon, 18 Jul 2016 16:47:27 +0200
Subject: [PATCH] Do not ICE in resolve.c (PR fortran/71799)
gcc/testsuite/ChangeLog:
2016-07-18 Martin Liska <mliska@suse.cz>
* gfortran.dg/pr71799.f90: New test.
gcc/fortran/ChangeLog:
2016-07-18 Steven G. Kargl <kargl@gcc.gnu.org>
* resolve.c (gfc_resolve_iterator): Generate error instead
of ICE.
---
gcc/fortran/resolve.c | 6 +++---
gcc/testsuite/gfortran.dg/pr71799.f90 | 12 ++++++++++++
2 files changed, 15 insertions(+), 3 deletions(-)
create mode 100644 gcc/testsuite/gfortran.dg/pr71799.f90
diff --git a/gcc/fortran/resolve.c b/gcc/fortran/resolve.c
index 1fc540a..23da9ac 100644
--- a/gcc/fortran/resolve.c
+++ b/gcc/fortran/resolve.c
@@ -6515,15 +6515,15 @@ gfc_resolve_iterator (gfc_iterator *iter, bool real_ok, bool own_scope)
/* Convert start, end, and step to the same type as var. */
if (iter->start->ts.kind != iter->var->ts.kind
|| iter->start->ts.type != iter->var->ts.type)
- gfc_convert_type (iter->start, &iter->var->ts, 2);
+ gfc_convert_type (iter->start, &iter->var->ts, 1);
if (iter->end->ts.kind != iter->var->ts.kind
|| iter->end->ts.type != iter->var->ts.type)
- gfc_convert_type (iter->end, &iter->var->ts, 2);
+ gfc_convert_type (iter->end, &iter->var->ts, 1);
if (iter->step->ts.kind != iter->var->ts.kind
|| iter->step->ts.type != iter->var->ts.type)
- gfc_convert_type (iter->step, &iter->var->ts, 2);
+ gfc_convert_type (iter->step, &iter->var->ts, 1);
if (iter->start->expr_type == EXPR_CONSTANT
&& iter->end->expr_type == EXPR_CONSTANT
diff --git a/gcc/testsuite/gfortran.dg/pr71799.f90 b/gcc/testsuite/gfortran.dg/pr71799.f90
new file mode 100644
index 0000000..4760cc3
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/pr71799.f90
@@ -0,0 +1,12 @@
+! PR fortran/71799
+! { dg-do compile }
+
+subroutine test2(array, s, block)
+integer(1) :: i, block(9), array(2)
+integer (8) :: s
+
+do i = 10, HUGE(i) - 10, 222 ! { dg-error "Arithmetic overflow converting INTEGER\\(4\\) to INTEGER\\(1\\)" }
+ s = s + 1
+end do
+
+end subroutine test2
--
2.8.4