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* [Bug tree-optimization/97188] New: [11 Regression] ICE in c_tree_printer at c/c-objc-common.c:314 since r11-3303-g6450f07388f9fe57
@ 2020-09-24 7:32 marxin at gcc dot gnu.org
2020-09-24 7:33 ` [Bug tree-optimization/97188] " marxin at gcc dot gnu.org
` (4 more replies)
0 siblings, 5 replies; 6+ messages in thread
From: marxin at gcc dot gnu.org @ 2020-09-24 7:32 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97188
Bug ID: 97188
Summary: [11 Regression] ICE in c_tree_printer at
c/c-objc-common.c:314 since r11-3303-g6450f07388f9fe57
Product: gcc
Version: 10.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: marxin at gcc dot gnu.org
CC: msebor at gcc dot gnu.org
Target Milestone: ---
The following ICEs:
$ void function(short width, int[][width]);
void test() { function(1, 0); }
$ gcc vla.c -Wnonnull -c
during RTL pass: expand
In function ‘test’:
Segmentation fault
2 | void test() { function(1, 0); }
| ^~~~~~~~~~~~~~
0xd9e6ff crash_signal
/home/marxin/Programming/gcc/gcc/toplev.c:329
0x7ffff788652f ???
/usr/src/debug/glibc-2.31-6.3.x86_64/signal/../sysdeps/unix/sysv/linux/x86_64/sigaction.c:0
0x8336e0 c_tree_printer
/home/marxin/Programming/gcc/gcc/c/c-objc-common.c:314
0x8336e0 c_tree_printer
/home/marxin/Programming/gcc/gcc/c/c-objc-common.c:254
0x188dccc pp_format(pretty_printer*, text_info*)
/home/marxin/Programming/gcc/gcc/pretty-print.c:1475
0x1871bbe diagnostic_report_diagnostic(diagnostic_context*, diagnostic_info*)
/home/marxin/Programming/gcc/gcc/diagnostic.c:1205
0x1874238 diagnostic_impl
/home/marxin/Programming/gcc/gcc/diagnostic.c:1355
0x1874238 warning_at(unsigned int, int, char const*, ...)
/home/marxin/Programming/gcc/gcc/diagnostic.c:1492
0x927455 maybe_warn_rdwr_sizes
/home/marxin/Programming/gcc/gcc/calls.c:2038
0x928ad6 initialize_argument_information
/home/marxin/Programming/gcc/gcc/calls.c:2531
0x928ad6 expand_call(tree_node*, rtx_def*, int)
/home/marxin/Programming/gcc/gcc/calls.c:3926
0xa5ea2a expand_expr_real_1(tree_node*, rtx_def*, machine_mode,
expand_modifier, rtx_def**, bool)
/home/marxin/Programming/gcc/gcc/expr.c:11246
0x940259 expand_expr
/home/marxin/Programming/gcc/gcc/expr.h:282
0x940259 expand_call_stmt
/home/marxin/Programming/gcc/gcc/cfgexpand.c:2703
0x940259 expand_gimple_stmt_1
/home/marxin/Programming/gcc/gcc/cfgexpand.c:3686
0x940259 expand_gimple_stmt
/home/marxin/Programming/gcc/gcc/cfgexpand.c:3851
0x94560a expand_gimple_basic_block
/home/marxin/Programming/gcc/gcc/cfgexpand.c:5892
0x9470b6 execute
/home/marxin/Programming/gcc/gcc/cfgexpand.c:6576
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug tree-optimization/97188] [11 Regression] ICE in c_tree_printer at c/c-objc-common.c:314 since r11-3303-g6450f07388f9fe57
2020-09-24 7:32 [Bug tree-optimization/97188] New: [11 Regression] ICE in c_tree_printer at c/c-objc-common.c:314 since r11-3303-g6450f07388f9fe57 marxin at gcc dot gnu.org
@ 2020-09-24 7:33 ` marxin at gcc dot gnu.org
2020-09-24 17:21 ` msebor at gcc dot gnu.org
` (3 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: marxin at gcc dot gnu.org @ 2020-09-24 7:33 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97188
Martin Liška <marxin at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|--- |11.0
Ever confirmed|0 |1
Status|UNCONFIRMED |NEW
Known to work| |10.2.0
Known to fail| |11.0
Last reconfirmed| |2020-09-24
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug tree-optimization/97188] [11 Regression] ICE in c_tree_printer at c/c-objc-common.c:314 since r11-3303-g6450f07388f9fe57
2020-09-24 7:32 [Bug tree-optimization/97188] New: [11 Regression] ICE in c_tree_printer at c/c-objc-common.c:314 since r11-3303-g6450f07388f9fe57 marxin at gcc dot gnu.org
2020-09-24 7:33 ` [Bug tree-optimization/97188] " marxin at gcc dot gnu.org
@ 2020-09-24 17:21 ` msebor at gcc dot gnu.org
2020-09-25 0:15 ` msebor at gcc dot gnu.org
` (2 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: msebor at gcc dot gnu.org @ 2020-09-24 17:21 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97188
Martin Sebor <msebor at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Assignee|unassigned at gcc dot gnu.org |msebor at gcc dot gnu.org
Status|NEW |ASSIGNED
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug tree-optimization/97188] [11 Regression] ICE in c_tree_printer at c/c-objc-common.c:314 since r11-3303-g6450f07388f9fe57
2020-09-24 7:32 [Bug tree-optimization/97188] New: [11 Regression] ICE in c_tree_printer at c/c-objc-common.c:314 since r11-3303-g6450f07388f9fe57 marxin at gcc dot gnu.org
2020-09-24 7:33 ` [Bug tree-optimization/97188] " marxin at gcc dot gnu.org
2020-09-24 17:21 ` msebor at gcc dot gnu.org
@ 2020-09-25 0:15 ` msebor at gcc dot gnu.org
2020-09-29 23:14 ` cvs-commit at gcc dot gnu.org
2020-09-29 23:16 ` [Bug tree-optimization/97188] [11 Regression] ICE passing a null VLA to a function expecting at least one element msebor at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: msebor at gcc dot gnu.org @ 2020-09-25 0:15 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97188
Martin Sebor <msebor at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |patch
--- Comment #1 from Martin Sebor <msebor at gcc dot gnu.org> ---
Patch: https://gcc.gnu.org/pipermail/gcc-patches/2020-September/554784.html
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug tree-optimization/97188] [11 Regression] ICE in c_tree_printer at c/c-objc-common.c:314 since r11-3303-g6450f07388f9fe57
2020-09-24 7:32 [Bug tree-optimization/97188] New: [11 Regression] ICE in c_tree_printer at c/c-objc-common.c:314 since r11-3303-g6450f07388f9fe57 marxin at gcc dot gnu.org
` (2 preceding siblings ...)
2020-09-25 0:15 ` msebor at gcc dot gnu.org
@ 2020-09-29 23:14 ` cvs-commit at gcc dot gnu.org
2020-09-29 23:16 ` [Bug tree-optimization/97188] [11 Regression] ICE passing a null VLA to a function expecting at least one element msebor at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2020-09-29 23:14 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97188
--- Comment #2 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Martin Sebor <msebor@gcc.gnu.org>:
https://gcc.gnu.org/g:873f8c1e6df94a9dcbfbe69f06538e3e45ba151d
commit r11-3540-g873f8c1e6df94a9dcbfbe69f06538e3e45ba151d
Author: Martin Sebor <msebor@redhat.com>
Date: Tue Sep 29 17:10:54 2020 -0600
Correct and improve -Wnonnull for calls to functions with VLA arguments (PR
middle-end/97188).
Resolves:
PR middle-end/97188 - ICE passing a null VLA to a function expecting at
least one element
gcc/ChangeLog:
PR middle-end/97188
* calls.c (maybe_warn_rdwr_sizes): Simplify warning messages.
Correct handling of VLA argumments.
gcc/testsuite/ChangeLog:
PR middle-end/97188
* gcc.dg/Wstringop-overflow-23.c: Adjust text of expected warnings.
* gcc.dg/Wnonnull-4.c: New test.
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug tree-optimization/97188] [11 Regression] ICE passing a null VLA to a function expecting at least one element
2020-09-24 7:32 [Bug tree-optimization/97188] New: [11 Regression] ICE in c_tree_printer at c/c-objc-common.c:314 since r11-3303-g6450f07388f9fe57 marxin at gcc dot gnu.org
` (3 preceding siblings ...)
2020-09-29 23:14 ` cvs-commit at gcc dot gnu.org
@ 2020-09-29 23:16 ` msebor at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: msebor at gcc dot gnu.org @ 2020-09-29 23:16 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97188
Martin Sebor <msebor at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |FIXED
Status|ASSIGNED |RESOLVED
Summary|[11 Regression] ICE in |[11 Regression] ICE passing
|c_tree_printer at |a null VLA to a function
|c/c-objc-common.c:314 since |expecting at least one
|r11-3303-g6450f07388f9fe57 |element
--- Comment #3 from Martin Sebor <msebor at gcc dot gnu.org> ---
Fixed in r11-3540.
^ permalink raw reply [flat|nested] 6+ messages in thread
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2020-09-24 7:32 [Bug tree-optimization/97188] New: [11 Regression] ICE in c_tree_printer at c/c-objc-common.c:314 since r11-3303-g6450f07388f9fe57 marxin at gcc dot gnu.org
2020-09-24 7:33 ` [Bug tree-optimization/97188] " marxin at gcc dot gnu.org
2020-09-24 17:21 ` msebor at gcc dot gnu.org
2020-09-25 0:15 ` msebor at gcc dot gnu.org
2020-09-29 23:14 ` cvs-commit at gcc dot gnu.org
2020-09-29 23:16 ` [Bug tree-optimization/97188] [11 Regression] ICE passing a null VLA to a function expecting at least one element msebor at gcc dot gnu.org
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