Command line:
$ gcc -O[123s] -flto -g -fcompare-debug testcase.c
or
$ gcc -O[123s] -fwhopr -g -fcompare-debug testcase.c
Compiler output (-flto):
$ gcc -O1 -flto -g -fcompare-debug testcase.c
gcc: /tmp/cc3798AZ.o: -fcompare-debug failure (length)
lto-wrapper: /mnt/svn/gcc-trunk/binary-159696-lto-fortran/bin/gcc returned 1
exit status
lto-wrapper: deleting LTRANS file /tmp/cc2LW9RS.lto.o: No such file or
directory
collect2: lto-wrapper returned 1 exit status
Compiler output (-fwhopr):
$ gcc -O1 -fwhopr -g -fcompare-debug testcase.c
gcc: /tmp/ccWFke0t.wpa.o: -fcompare-debug failure (length)
lto-wrapper: /mnt/svn/gcc-trunk/binary-159696-lto-fortran/bin/gcc returned 1
exit status
collect2: lto-wrapper returned 1 exit status
Tested revisions:
r159696 - fail
r158095 - fail
4.5 r158978 - fail
--
Summary: -fcompare-debug failure with -flto/-fwhopr -g
Product: gcc
Version: 4.6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: lto
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: zsojka at seznam dot cz
GCC host triplet: x86_64-pc-linux-gnu
GCC target triplet: x86_64-pc-linux-gnu
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44248
