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[Bug middle-end/37450] New: [4.4 Regression] IRA miscompiled gcc
- From: "hjl dot tools at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 9 Sep 2008 19:34:12 -0000
- Subject: [Bug middle-end/37450] New: [4.4 Regression] IRA miscompiled gcc
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
On Linux/x86, trunk revision 140155 is miscompiled. The
following test timed out
[hjl@gnu-33 gcc]$ cat /tmp/x.ii
void foo (int a, int a) { }
[hjl@gnu-33 gcc]$ ./xgcc -B./ -ansi -pedantic-errors -Wno-long-long -S
/tmp/x.ii
/tmp/x.ii:1: error: redefinition of ?int a?
/tmp/x.ii:1: error: ?int a? previously declared here
Ctrl-C
[hjl@gnu-33 gcc]$
"make check" shows
Executing on host:
/export/gnu/import/svn/gcc-test/bld/gcc/testsuite/g++/../../g++
-B/export/gnu/import/svn/gcc-test/bld/gcc/testsuite/g++/../../ -nostdinc++
-I/export/gnu/import/svn/gcc-test/bld/x86_64-unknown-linux-gnu/32/libstdc++-v3/include/x86_64-unknown-linux-gnu
-I/export/gnu/import/svn/gcc-test/bld/x86_64-unknown-linux-gnu/32/libstdc++-v3/include
-I/export/gnu/import/svn/gcc-test/src-trunk/libstdc++-v3/libsupc++
-I/export/gnu/import/svn/gcc-test/src-trunk/libstdc++-v3/include/backward
-I/export/gnu/import/svn/gcc-test/src-trunk/libstdc++-v3/testsuite/util
-fmessage-length=0 -ansi -pedantic-errors -Wno-long-long -c -m32 -o warn4.o
/export/gnu/import/svn/gcc-test/src-trunk/gcc/testsuite/g++.old-deja/g++.mike/warn4.C
(timeout = 300)
/export/gnu/import/svn/gcc-test/src-trunk/gcc/testsuite/g++.old-deja/g++.mike/warn4.C:2:
error: redefinition of 'int a'^M
/export/gnu/import/svn/gcc-test/src-trunk/gcc/testsuite/g++.old-deja/g++.mike/warn4.C:2:
error: 'int a' previously declared here^M
WARNING: program timed out.
compiler exited with status 1
Patch for PR 37377 seems to fix this.
--
Summary: [4.4 Regression] IRA miscompiled gcc
Product: gcc
Version: 4.4.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: middle-end
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: hjl dot tools at gmail dot com
BugsThisDependsOn: 37377
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37450