https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102501
Bug ID: 102501
Summary: [12 regression] several test case failures after
r12-3876
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: other
Assignee: unassigned at gcc dot gnu.org
Reporter: seurer at gcc dot gnu.org
Target Milestone: ---
g:4a960d548b7d7d942f316c5295f6d849b74214f5, r12-3876
make -k check-gcc RUNTESTFLAGS="tree-ssa.exp=gcc.dg/tree-ssa/pr66752-3.c"
FAIL: gcc.dg/tree-ssa/pr66752-3.c scan-tree-dump-not thread3 "if .flag"
# of expected passes 2
# of unexpected failures 1
spawn -ignore SIGHUP /home/seurer/gcc/git/build/gcc-test/gcc/xgcc
-B/home/seurer/gcc/git/build/gcc-test/gcc/
/home/seurer/gcc/git/gcc-test/gcc/testsuite/gcc.dg/tree-ssa/pr66752-3.c
-fdiagnostics-plain-output -O2 -fdump-tree-thread1-details -fdump-tree-thread3
-S -o pr66752-3.s
Executing on host: /home/seurer/gcc/git/build/gcc-test/gcc/xgcc
-B/home/seurer/gcc/git/build/gcc-test/gcc/ exceptions_enabled2625074.cc
-fdiagnostics-plain-output -S -o exceptions_enabled2625074.s (timeout =
300)
spawn -ignore SIGHUP /home/seurer/gcc/git/build/gcc-test/gcc/xgcc
-B/home/seurer/gcc/git/build/gcc-test/gcc/ exceptions_enabled2625074.cc
-fdiagnostics-plain-output -S -o exceptions_enabled2625074.s
PASS: gcc.dg/tree-ssa/pr66752-3.c (test for excess errors)
PASS: gcc.dg/tree-ssa/pr66752-3.c scan-tree-dump-times thread1 "Registering
jump" 2
FAIL: gcc.dg/tree-ssa/pr66752-3.c scan-tree-dump-not thread3 "if .flag"
testcase
/home/seurer/gcc/git/gcc-test/gcc/testsuite/gcc.dg/tree-ssa/tree-ssa.exp
completed in 0 seconds
=== gcc Summary ===
# of expected passes 2
# of unexpected failures 1
There's a second one that fails here, too.
make -k check-gcc RUNTESTFLAGS="tree-ssa.exp=gcc.dg/tree-ssa/pr77445-2.c"
FAIL: gcc.dg/tree-ssa/pr77445-2.c scan-tree-dump thread1 "Jumps threaded: 9"
# of expected passes 6
# of unexpected failures 1
spawn -ignore SIGHUP /home/seurer/gcc/git/build/gcc-test/gcc/xgcc
-B/home/seurer/gcc/git/build/gcc-test/gcc/
/home/seurer/gcc/git/gcc-test/gcc/testsuite/gcc.dg/tree-ssa/pr77445-2.c
-fdiagnostics-plain-output -O2 -fdisable-tree-evrp
-fdump-tree-thread-details-blocks-stats -S -o pr77445-2.s
cc1: note: disable pass tree-evrp for functions in the range of [0, 4294967295]
PASS: gcc.dg/tree-ssa/pr77445-2.c (test for excess errors)
FAIL: gcc.dg/tree-ssa/pr77445-2.c scan-tree-dump thread1 "Jumps threaded: 9"
PASS: gcc.dg/tree-ssa/pr77445-2.c scan-tree-dump-times thread1 "Invalid sum" 1
PASS: gcc.dg/tree-ssa/pr77445-2.c scan-tree-dump-not thread1 "optimizing for
size"
PASS: gcc.dg/tree-ssa/pr77445-2.c scan-tree-dump-not thread2 "optimizing for
size"
PASS: gcc.dg/tree-ssa/pr77445-2.c scan-tree-dump-not thread3 "optimizing for
size"
PASS: gcc.dg/tree-ssa/pr77445-2.c scan-tree-dump-not thread4 "optimizing for
size"
testcase
/home/seurer/gcc/git/gcc-test/gcc/testsuite/gcc.dg/tree-ssa/tree-ssa.exp
completed in 0 seconds
=== gcc Summary ===
# of expected passes 6
# of unexpected failures 1
commit 4a960d548b7d7d942f316c5295f6d849b74214f5 (HEAD, refs/bisect/bad)
Author: Aldy Hernandez <al...@redhat.com>
Date: Thu Sep 23 10:59:24 2021 +0200
Avoid invalid loop transformations in jump threading registry.
