[Bug fortran/95502] ICE in gfc_check_do_variable, at fortran/parse.c:4446
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95502 anlauf at gcc dot gnu.org changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|--- |FIXED --- Comment #8 from anlauf at gcc dot gnu.org --- Fixed on mainline for gcc-12, and backported to 11- and 10-branch. Closing. Thanks for the report!
[Bug fortran/95502] ICE in gfc_check_do_variable, at fortran/parse.c:4446
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95502 --- Comment #7 from CVS Commits --- The releases/gcc-10 branch has been updated by Harald Anlauf : https://gcc.gnu.org/g:0c084361a5a800ee0920bf29b6673816d2b35e76 commit r10-9946-g0c084361a5a800ee0920bf29b6673816d2b35e76 Author: Harald Anlauf Date: Wed Jun 16 22:04:22 2021 +0200 Fortran - ICE in gfc_check_do_variable, at fortran/parse.c:4446 Avoid NULL pointer dereferences during error recovery. gcc/fortran/ChangeLog: PR fortran/95501 PR fortran/95502 * expr.c (gfc_check_pointer_assign): Avoid NULL pointer dereference. * match.c (gfc_match_pointer_assignment): Likewise. * parse.c (gfc_check_do_variable): Avoid comparison with NULL symtree. gcc/testsuite/ChangeLog: PR fortran/95501 PR fortran/95502 * gfortran.dg/pr95502.f90: New test. (cherry picked from commit cfe0a2ec26867b290eb84af00317e60f8b67455c)
[Bug fortran/95502] ICE in gfc_check_do_variable, at fortran/parse.c:4446
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95502 --- Comment #6 from CVS Commits --- The releases/gcc-11 branch has been updated by Harald Anlauf : https://gcc.gnu.org/g:067e45a6f376582b1d3d36cc9b2124b60093b5c2 commit r11-8622-g067e45a6f376582b1d3d36cc9b2124b60093b5c2 Author: Harald Anlauf Date: Wed Jun 16 22:04:22 2021 +0200 Fortran - ICE in gfc_check_do_variable, at fortran/parse.c:4446 Avoid NULL pointer dereferences during error recovery. gcc/fortran/ChangeLog: PR fortran/95501 PR fortran/95502 * expr.c (gfc_check_pointer_assign): Avoid NULL pointer dereference. * match.c (gfc_match_pointer_assignment): Likewise. * parse.c (gfc_check_do_variable): Avoid comparison with NULL symtree. gcc/testsuite/ChangeLog: PR fortran/95501 PR fortran/95502 * gfortran.dg/pr95502.f90: New test. (cherry picked from commit cfe0a2ec26867b290eb84af00317e60f8b67455c)
[Bug fortran/95502] ICE in gfc_check_do_variable, at fortran/parse.c:4446
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95502 --- Comment #5 from CVS Commits --- The master branch has been updated by Harald Anlauf : https://gcc.gnu.org/g:cfe0a2ec26867b290eb84af00317e60f8b67455c commit r12-1542-gcfe0a2ec26867b290eb84af00317e60f8b67455c Author: Harald Anlauf Date: Wed Jun 16 22:04:22 2021 +0200 Fortran - ICE in gfc_check_do_variable, at fortran/parse.c:4446 Avoid NULL pointer dereferences during error recovery. gcc/fortran/ChangeLog: PR fortran/95501 PR fortran/95502 * expr.c (gfc_check_pointer_assign): Avoid NULL pointer dereference. * match.c (gfc_match_pointer_assignment): Likewise. * parse.c (gfc_check_do_variable): Avoid comparison with NULL symtree. gcc/testsuite/ChangeLog: PR fortran/95501 PR fortran/95502 * gfortran.dg/pr95502.f90: New test.
[Bug fortran/95502] ICE in gfc_check_do_variable, at fortran/parse.c:4446
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95502 --- Comment #4 from CVS Commits --- The master branch has been updated by Harald Anlauf : https://gcc.gnu.org/g:72e3d92178b44a3722519ec68e72e307443bda70 commit r12-1540-g72e3d92178b44a3722519ec68e72e307443bda70 Author: Harald Anlauf Date: Wed Jun 16 21:54:16 2021 +0200 Fortran - ICE in gfc_check_do_variable, at fortran/parse.c:4446 Avoid NULL pointer dereferences during error recovery. gcc/fortran/ChangeLog: PR fortran/95501 PR fortran/95502 * expr.c (gfc_check_pointer_assign): Avoid NULL pointer dereference. * match.c (gfc_match_pointer_assignment): Likewise. * parse.c (gfc_check_do_variable): Avoid comparison with NULL symtree. gcc/testsuite/ChangeLog: PR fortran/95501 PR fortran/95502 * gfortran.dg/pr95502.f90: New test.
[Bug fortran/95502] ICE in gfc_check_do_variable, at fortran/parse.c:4446
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95502 anlauf at gcc dot gnu.org changed: What|Removed |Added CC||anlauf at gcc dot gnu.org Assignee|unassigned at gcc dot gnu.org |anlauf at gcc dot gnu.org Status|NEW |ASSIGNED --- Comment #3 from anlauf at gcc dot gnu.org --- Patch: https://gcc.gnu.org/pipermail/fortran/2021-June/056133.html
[Bug fortran/95502] ICE in gfc_check_do_variable, at fortran/parse.c:4446
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95502 Martin Liška changed: What|Removed |Added CC||marxin at gcc dot gnu.org --- Comment #2 from Martin Liška --- Started to ICE with r9-3803-ga5fbc2f36a291cbe.
[Bug fortran/95502] ICE in gfc_check_do_variable, at fortran/parse.c:4446
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95502
kargl at gcc dot gnu.org changed:
What|Removed |Added
CC||kargl at gcc dot gnu.org
Last reconfirmed||2020-06-03
Priority|P3 |P4
Status|UNCONFIRMED |NEW
Ever confirmed|0 |1
--- Comment #1 from kargl at gcc dot gnu.org ---
Fixes z1.f90. May fix others.
Index: gcc/fortran/parse.c
===
--- gcc/fortran/parse.c (revision 280157)
+++ gcc/fortran/parse.c (working copy)
@@ -4440,6 +4440,9 @@ gfc_check_do_variable (gfc_symtree *st)
{
gfc_state_data *s;
+ if (!st)
+return 0;
+
for (s=gfc_state_stack; s; s = s->previous)
if (s->do_variable == st)
{
Index: gcc/fortran/expr.c
===
--- gcc/fortran/expr.c (revision 280157)
+++ gcc/fortran/expr.c (working copy)
@@ -3784,6 +3784,9 @@ gfc_check_pointer_assign (gfc_expr *lvalue, gfc_expr *
int proc_pointer;
bool same_rank;
+ if (!lvalue->symtree)
+return false;
+
lhs_attr = gfc_expr_attr (lvalue);
if (lvalue->ts.type == BT_UNKNOWN && !lhs_attr.proc_pointer)
{
