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* [Bug rtl-optimization/99054] New: memory leak in thread_prologue_and_epilogue_insns
@ 2021-02-10 7:18 rguenth at gcc dot gnu.org
2021-02-10 9:12 ` [Bug rtl-optimization/99054] " rguenth at gcc dot gnu.org
` (2 more replies)
0 siblings, 3 replies; 4+ messages in thread
From: rguenth at gcc dot gnu.org @ 2021-02-10 7:18 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99054
Bug ID: 99054
Summary: memory leak in thread_prologue_and_epilogue_insns
Product: gcc
Version: 11.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: rtl-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: rguenth at gcc dot gnu.org
Target Milestone: ---
==3252== Memcheck, a memory error detector
==3252== Copyright (C) 2002-2017, and GNU GPL'd, by Julian Seward et al.
==3252== Using Valgrind-3.15.0 and LibVEX; rerun with -h for copyright info
==3252== Command: ./cc1 -quiet -fdiagnostics-plain-output -O3 -o
ssa-dom-thread-1.s
/home/rguenther/src/gcc3/gcc/testsuite/gcc.dg/torture/pr98289.c
==3252==
==3252==
==3252== HEAP SUMMARY:
==3252== in use at exit: 1,877,561 bytes in 2,761 blocks
==3252== total heap usage: 54,967 allocs, 52,206 frees, 10,428,830 bytes
allocated
==3252==
==3252== 40 bytes in 1 blocks are definitely lost in loss record 28 of 699
==3252== at 0x4C2E2DF: malloc (in
/usr/lib64/valgrind/vgpreload_memcheck-amd64-linux.so)
==3252== by 0x28ECCA8: xrealloc (xmalloc.c:177)
==3252== by 0xC78E72: void
va_heap::reserve<basic_block_def*>(vec<basic_block_def*, va_heap, vl_embed>*&,
unsigned int, bool) (vec.h:290)
==3252== by 0xC789CF: vec<basic_block_def*, va_heap,
vl_ptr>::reserve(unsigned int, bool) (vec.h:1778)
==3252== by 0xCABA7B: vec<basic_block_def*, va_heap,
vl_ptr>::safe_push(basic_block_def* const&) (vec.h:1887)
==3252== by 0xCBF762: find_partition_fixes(bool) (cfgrtl.c:2405)
==3252== by 0xCBF7B2: fixup_partitions() (cfgrtl.c:2434)
==3252== by 0xCBE8A6: commit_edge_insertions() (cfgrtl.c:2112)
==3252== by 0xF14501: thread_prologue_and_epilogue_insns() (function.c:6084)
==3252== by 0xF152E0: rest_of_handle_thread_prologue_and_epilogue()
(function.c:6510)
==3252== by 0xF154C0: (anonymous
namespace)::pass_thread_prologue_and_epilogue::execute(function*)
(function.c:6586)
==3252== by 0x12E7FEA: execute_one_pass(opt_pass*) (passes.c:2572)
^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug rtl-optimization/99054] memory leak in thread_prologue_and_epilogue_insns
2021-02-10 7:18 [Bug rtl-optimization/99054] New: memory leak in thread_prologue_and_epilogue_insns rguenth at gcc dot gnu.org
@ 2021-02-10 9:12 ` rguenth at gcc dot gnu.org
2021-02-10 10:31 ` cvs-commit at gcc dot gnu.org
2021-02-10 11:05 ` rguenth at gcc dot gnu.org
2 siblings, 0 replies; 4+ messages in thread
From: rguenth at gcc dot gnu.org @ 2021-02-10 9:12 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99054
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Ever confirmed|0 |1
Last reconfirmed| |2021-02-10
Assignee|unassigned at gcc dot gnu.org |rguenth at gcc dot gnu.org
Status|UNCONFIRMED |ASSIGNED
--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
Mine.
^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug rtl-optimization/99054] memory leak in thread_prologue_and_epilogue_insns
2021-02-10 7:18 [Bug rtl-optimization/99054] New: memory leak in thread_prologue_and_epilogue_insns rguenth at gcc dot gnu.org
2021-02-10 9:12 ` [Bug rtl-optimization/99054] " rguenth at gcc dot gnu.org
@ 2021-02-10 10:31 ` cvs-commit at gcc dot gnu.org
2021-02-10 11:05 ` rguenth at gcc dot gnu.org
2 siblings, 0 replies; 4+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2021-02-10 10:31 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99054
--- Comment #2 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Richard Biener <rguenth@gcc.gnu.org>:
https://gcc.gnu.org/g:72932511053596091ad291539022b51d9f2ba418
commit r11-7168-g72932511053596091ad291539022b51d9f2ba418
Author: Richard Biener <rguenther@suse.de>
Date: Wed Feb 10 10:17:15 2021 +0100
rtl-optimization/99054 - fix leak in fixup_partitions
This fixes a leak of the vector retured by find_partition_fixes
by turning it into an auto_vec.
2021-02-10 Richard Biener <rguenther@suse.de>
PR rtl-optimization/99054
* cfgrtl.c (rtl-optimization/99054): Return an auto_vec.
(fixup_partitions): Adjust.
(rtl_verify_edges): Likewise.
^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug rtl-optimization/99054] memory leak in thread_prologue_and_epilogue_insns
2021-02-10 7:18 [Bug rtl-optimization/99054] New: memory leak in thread_prologue_and_epilogue_insns rguenth at gcc dot gnu.org
2021-02-10 9:12 ` [Bug rtl-optimization/99054] " rguenth at gcc dot gnu.org
2021-02-10 10:31 ` cvs-commit at gcc dot gnu.org
@ 2021-02-10 11:05 ` rguenth at gcc dot gnu.org
2 siblings, 0 replies; 4+ messages in thread
From: rguenth at gcc dot gnu.org @ 2021-02-10 11:05 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99054
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
Fixed.
^ permalink raw reply [flat|nested] 4+ messages in thread
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2021-02-10 7:18 [Bug rtl-optimization/99054] New: memory leak in thread_prologue_and_epilogue_insns rguenth at gcc dot gnu.org
2021-02-10 9:12 ` [Bug rtl-optimization/99054] " rguenth at gcc dot gnu.org
2021-02-10 10:31 ` cvs-commit at gcc dot gnu.org
2021-02-10 11:05 ` rguenth at gcc dot gnu.org
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