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* [Bug c/100732] New: ICE: in ao_ref_init_from_ptr_and_range, at tree-ssa-alias.c:824
@ 2021-05-23 17:07 cnsun at uwaterloo dot ca
2021-05-24 7:35 ` [Bug tree-optimization/100732] [11/12 Regression] ICE with -Wall: in ao_ref_init_from_ptr_and_range, at tree-ssa-alias.c:824 since r11-959-gb825a22890740f34 marxin at gcc dot gnu.org
` (6 more replies)
0 siblings, 7 replies; 8+ messages in thread
From: cnsun at uwaterloo dot ca @ 2021-05-23 17:07 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100732
Bug ID: 100732
Summary: ICE: in ao_ref_init_from_ptr_and_range, at
tree-ssa-alias.c:824
Product: gcc
Version: tree-ssa
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: cnsun at uwaterloo dot ca
Target Milestone: ---
$ gcc-trunk -v
Using built-in specs.
COLLECT_GCC=gcc-trunk
COLLECT_LTO_WRAPPER=/scratch/software/gcc-trunk/libexec/gcc/x86_64-pc-linux-gnu/12.0.0/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: /tmp/tmp.bSd6dDcXdE-gcc-builder/gcc/configure
--enable-languages=c,c++,lto --enable-checking-yes --enable-multiarch
--prefix=/scratch/software/gcc-trunk --disable-bootstrap
Thread model: posix
Supported LTO compression algorithms: zlib
gcc version 12.0.0 20210523 (experimental) [master revision
:c92372ce3:15d30d2f20794d29ceabcfd57d230d6387284115] (GCC)
$ cat mutant.c
d4(i) { __builtin_sprintf(d4, "%s", i); }
$ gcc-trunk -O3 -Wall mutant.c
mutant.c:1:1: warning: return type defaults to ‘int’ [-Wimplicit-int]
1 | d4(i) { __builtin_sprintf(d4, "%s", i); }
| ^~
mutant.c: In function ‘d4’:
mutant.c:1:1: warning: type of ‘i’ defaults to ‘int’ [-Wimplicit-int]
mutant.c:1:27: warning: passing argument 1 of ‘__builtin_sprintf’ from
incompatible pointer type [-Wincompatible-pointer-types]
1 | d4(i) { __builtin_sprintf(d4, "%s", i); }
| ^~
| |
| int (*)()
mutant.c:1:27: note: expected ‘char *’ but argument is of type ‘int (*)()’
mutant.c:1:33: warning: format ‘%s’ expects argument of type ‘char *’, but
argument 3 has type ‘int’ [-Wformat=]
1 | d4(i) { __builtin_sprintf(d4, "%s", i); }
| ~^ ~
| | |
| | int
| char *
| %d
mutant.c:1:41: warning: control reaches end of non-void function
[-Wreturn-type]
1 | d4(i) { __builtin_sprintf(d4, "%s", i); }
| ^
during GIMPLE pass: uninit
mutant.c:1:1: internal compiler error: in ao_ref_init_from_ptr_and_range, at
tree-ssa-alias.c:824
1 | d4(i) { __builtin_sprintf(d4, "%s", i); }
| ^~
0x7750a5 ao_ref_init_from_ptr_and_range
/tmp/tmp.bSd6dDcXdE-gcc-builder/gcc/gcc/tree-ssa-alias.c:824
0x113b3b1 maybe_warn_pass_by_reference
/tmp/tmp.bSd6dDcXdE-gcc-builder/gcc/gcc/tree-ssa-uninit.c:545
0x113b3b1 warn_uninitialized_vars
/tmp/tmp.bSd6dDcXdE-gcc-builder/gcc/gcc/tree-ssa-uninit.c:659
0x114056a execute
/tmp/tmp.bSd6dDcXdE-gcc-builder/gcc/gcc/tree-ssa-uninit.c:3030
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] 8+ messages in thread
* [Bug tree-optimization/100732] [11/12 Regression] ICE with -Wall: in ao_ref_init_from_ptr_and_range, at tree-ssa-alias.c:824 since r11-959-gb825a22890740f34
2021-05-23 17:07 [Bug c/100732] New: ICE: in ao_ref_init_from_ptr_and_range, at tree-ssa-alias.c:824 cnsun at uwaterloo dot ca
@ 2021-05-24 7:35 ` marxin at gcc dot gnu.org
2021-05-25 7:28 ` rguenth at gcc dot gnu.org
` (5 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: marxin at gcc dot gnu.org @ 2021-05-24 7:35 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100732
Martin Liška <marxin at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Ever confirmed|0 |1
Summary|ICE with -Wall: in |[11/12 Regression] ICE with
|ao_ref_init_from_ptr_and_ra |-Wall: in
|nge, at |ao_ref_init_from_ptr_and_ra
|tree-ssa-alias.c:824 |nge, at
| |tree-ssa-alias.c:824 since
| |r11-959-gb825a22890740f34
CC| |marxin at gcc dot gnu.org,
| |msebor at gcc dot gnu.org
Last reconfirmed| |2021-05-24
Status|UNCONFIRMED |NEW
--- Comment #1 from Martin Liška <marxin at gcc dot gnu.org> ---
Started with r11-959-gb825a22890740f34.
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug tree-optimization/100732] [11/12 Regression] ICE with -Wall: in ao_ref_init_from_ptr_and_range, at tree-ssa-alias.c:824 since r11-959-gb825a22890740f34
2021-05-23 17:07 [Bug c/100732] New: ICE: in ao_ref_init_from_ptr_and_range, at tree-ssa-alias.c:824 cnsun at uwaterloo dot ca
2021-05-24 7:35 ` [Bug tree-optimization/100732] [11/12 Regression] ICE with -Wall: in ao_ref_init_from_ptr_and_range, at tree-ssa-alias.c:824 since r11-959-gb825a22890740f34 marxin at gcc dot gnu.org
@ 2021-05-25 7:28 ` rguenth at gcc dot gnu.org
2021-05-26 23:35 ` msebor at gcc dot gnu.org
` (4 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: rguenth at gcc dot gnu.org @ 2021-05-25 7:28 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100732
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Priority|P3 |P2
Target Milestone|--- |11.2
--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
#3 0x0000000001649007 in maybe_warn_pass_by_reference (stmt=0x7ffff7ff5cf0,
wlims=...) at /home/rguenther/src/gcc3/gcc/tree-ssa-uninit.c:545
545 ao_ref_init_from_ptr_and_size (&ref, arg, access_size);
(gdb) p arg
$2 = <ssa_name 0x7ffff6575d80 2>
(gdb) p debug_tree (arg)
<ssa_name 0x7ffff6575d80
type <integer_type 0x7ffff65835e8 int public SI
size <integer_cst 0x7ffff656af18 constant 32>
unit-size <integer_cst 0x7ffff656af30 constant 4>
align:32 warn_if_not_align:0 symtab:0 alias-set -1 canonical-type
0x7ffff65835e8 precision:32 min <integer_cst 0x7ffff656aed0 -2147483648> max
<integer_cst 0x7ffff656aee8 2147483647>
pointer_to_this <pointer_type 0x7ffff658b9d8>>
visited var <parm_decl 0x7ffff66c4000 i>
def_stmt GIMPLE_NOP
version:2>
that's not a pointer. Looks like the code blindly works on call arguments
w/o double-checking their type.
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug tree-optimization/100732] [11/12 Regression] ICE with -Wall: in ao_ref_init_from_ptr_and_range, at tree-ssa-alias.c:824 since r11-959-gb825a22890740f34
2021-05-23 17:07 [Bug c/100732] New: ICE: in ao_ref_init_from_ptr_and_range, at tree-ssa-alias.c:824 cnsun at uwaterloo dot ca
2021-05-24 7:35 ` [Bug tree-optimization/100732] [11/12 Regression] ICE with -Wall: in ao_ref_init_from_ptr_and_range, at tree-ssa-alias.c:824 since r11-959-gb825a22890740f34 marxin at gcc dot gnu.org
2021-05-25 7:28 ` rguenth at gcc dot gnu.org
@ 2021-05-26 23:35 ` msebor at gcc dot gnu.org
2021-06-04 16:50 ` cvs-commit at gcc dot gnu.org
` (3 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: msebor at gcc dot gnu.org @ 2021-05-26 23:35 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100732
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
Keywords| |patch
Status|NEW |ASSIGNED
Known to fail| |11.1.0, 12.0
--- Comment #3 from Martin Sebor <msebor at gcc dot gnu.org> ---
Patch: https://gcc.gnu.org/pipermail/gcc-patches/2021-May/571346.html
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug tree-optimization/100732] [11/12 Regression] ICE with -Wall: in ao_ref_init_from_ptr_and_range, at tree-ssa-alias.c:824 since r11-959-gb825a22890740f34
2021-05-23 17:07 [Bug c/100732] New: ICE: in ao_ref_init_from_ptr_and_range, at tree-ssa-alias.c:824 cnsun at uwaterloo dot ca
` (2 preceding siblings ...)
2021-05-26 23:35 ` msebor at gcc dot gnu.org
@ 2021-06-04 16:50 ` cvs-commit at gcc dot gnu.org
2021-06-04 16:51 ` [Bug tree-optimization/100732] [11 Regression] ICE on sprintf %s with integer argument msebor at gcc dot gnu.org
` (2 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2021-06-04 16:50 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100732
--- Comment #4 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:9816f509db4966fcb90ed3baab72cc6cd901f06c
commit r12-1219-g9816f509db4966fcb90ed3baab72cc6cd901f06c
Author: Martin Sebor <msebor@redhat.com>
Date: Fri Jun 4 10:49:06 2021 -0600
PR middle-end/100732 - ICE on sprintf %s with integer argument
gcc/ChangeLog:
PR middle-end/100732
* gimple-fold.c (gimple_fold_builtin_sprintf): Avoid folding calls
with either source or destination argument of invalid type.
* tree-ssa-uninit.c (maybe_warn_pass_by_reference): Avoid checking
calls with arguments of invalid type.
gcc/testsuite/ChangeLog:
PR middle-end/100732
* gcc.dg/tree-ssa/builtin-snprintf-11.c: New test.
* gcc.dg/tree-ssa/builtin-snprintf-12.c: New test.
* gcc.dg/tree-ssa/builtin-sprintf-28.c: New test.
* gcc.dg/tree-ssa/builtin-sprintf-29.c: New test.
* gcc.dg/uninit-pr100732.c: New test.
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug tree-optimization/100732] [11 Regression] ICE on sprintf %s with integer argument
2021-05-23 17:07 [Bug c/100732] New: ICE: in ao_ref_init_from_ptr_and_range, at tree-ssa-alias.c:824 cnsun at uwaterloo dot ca
` (3 preceding siblings ...)
2021-06-04 16:50 ` cvs-commit at gcc dot gnu.org
@ 2021-06-04 16:51 ` msebor at gcc dot gnu.org
2021-06-17 20:08 ` cvs-commit at gcc dot gnu.org
2021-06-17 20:10 ` msebor at gcc dot gnu.org
6 siblings, 0 replies; 8+ messages in thread
From: msebor at gcc dot gnu.org @ 2021-06-04 16:51 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100732
Martin Sebor <msebor at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|[11/12 Regression] ICE with |[11 Regression] ICE on
|-Wall: in |sprintf %s with integer
|ao_ref_init_from_ptr_and_ra |argument
|nge, at |
|tree-ssa-alias.c:824 since |
|r11-959-gb825a22890740f34 |
Known to fail|12.0 |
--- Comment #5 from Martin Sebor <msebor at gcc dot gnu.org> ---
Fixed in GCC 12.0.
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug tree-optimization/100732] [11 Regression] ICE on sprintf %s with integer argument
2021-05-23 17:07 [Bug c/100732] New: ICE: in ao_ref_init_from_ptr_and_range, at tree-ssa-alias.c:824 cnsun at uwaterloo dot ca
` (4 preceding siblings ...)
2021-06-04 16:51 ` [Bug tree-optimization/100732] [11 Regression] ICE on sprintf %s with integer argument msebor at gcc dot gnu.org
@ 2021-06-17 20:08 ` cvs-commit at gcc dot gnu.org
2021-06-17 20:10 ` msebor at gcc dot gnu.org
6 siblings, 0 replies; 8+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2021-06-17 20:08 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100732
--- Comment #6 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-11 branch has been updated by Martin Sebor
<msebor@gcc.gnu.org>:
https://gcc.gnu.org/g:b9edb8fb8202dc6907f69094a8b2a621840174e1
commit r11-8604-gb9edb8fb8202dc6907f69094a8b2a621840174e1
Author: Martin Sebor <msebor@redhat.com>
Date: Thu Jun 17 12:08:15 2021 -0600
Backported from trunk:
PR middle-end/100732 - ICE on sprintf %s with integer argument
gcc/ChangeLog:
PR middle-end/100732
* gimple-fold.c (gimple_fold_builtin_sprintf): Avoid folding calls
with either source or destination argument of invalid type.
* tree-ssa-uninit.c (maybe_warn_pass_by_reference): Avoid checking
calls with arguments of invalid type.
gcc/testsuite/ChangeLog:
PR middle-end/100732
* gcc.dg/tree-ssa/builtin-snprintf-11.c: New test.
* gcc.dg/tree-ssa/builtin-snprintf-12.c: New test.
* gcc.dg/tree-ssa/builtin-sprintf-28.c: New test.
* gcc.dg/tree-ssa/builtin-sprintf-29.c: New test.
* gcc.dg/uninit-pr100732.c: New test.
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug tree-optimization/100732] [11 Regression] ICE on sprintf %s with integer argument
2021-05-23 17:07 [Bug c/100732] New: ICE: in ao_ref_init_from_ptr_and_range, at tree-ssa-alias.c:824 cnsun at uwaterloo dot ca
` (5 preceding siblings ...)
2021-06-17 20:08 ` cvs-commit at gcc dot gnu.org
@ 2021-06-17 20:10 ` msebor at gcc dot gnu.org
6 siblings, 0 replies; 8+ messages in thread
From: msebor at gcc dot gnu.org @ 2021-06-17 20:10 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100732
Martin Sebor <msebor at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |FIXED
Status|ASSIGNED |RESOLVED
--- Comment #7 from Martin Sebor <msebor at gcc dot gnu.org> ---
Backported to GCC 11.2.
^ permalink raw reply [flat|nested] 8+ messages in thread
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2021-05-23 17:07 [Bug c/100732] New: ICE: in ao_ref_init_from_ptr_and_range, at tree-ssa-alias.c:824 cnsun at uwaterloo dot ca
2021-05-24 7:35 ` [Bug tree-optimization/100732] [11/12 Regression] ICE with -Wall: in ao_ref_init_from_ptr_and_range, at tree-ssa-alias.c:824 since r11-959-gb825a22890740f34 marxin at gcc dot gnu.org
2021-05-25 7:28 ` rguenth at gcc dot gnu.org
2021-05-26 23:35 ` msebor at gcc dot gnu.org
2021-06-04 16:50 ` cvs-commit at gcc dot gnu.org
2021-06-04 16:51 ` [Bug tree-optimization/100732] [11 Regression] ICE on sprintf %s with integer argument msebor at gcc dot gnu.org
2021-06-17 20:08 ` cvs-commit at gcc dot gnu.org
2021-06-17 20:10 ` msebor at gcc dot gnu.org
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