[Bug ld/17112] New: [regression] binutils trunk ld/LTO 11 test fails when built using GCC 4.9

[doko at debian dot org]

https://sourceware.org/bugzilla/show_bug.cgi?id=17112

            Bug ID: 17112
           Summary: [regression] binutils trunk ld/LTO 11 test fails when
                    built using GCC 4.9
           Product: binutils
           Version: 2.25 (HEAD)
            Status: NEW
          Severity: normal
          Priority: P2
         Component: ld
          Assignee: unassigned at sourceware dot org
          Reporter: doko at debian dot org

on binutils trunk the ld/LTO 11 test fails when built using GCC 4.9, but
succeeds when built using 4.8. seen across all *-linux-gnu architectures.

gcc 
-B/scratch/packages/binutils/binutils-2.24.51.20140704/builddir-single/ld/tmpdir/gas/
-I/scratch/packages/binutils/b
inutils-2.24.51.20140704/ld/testsuite/ld-plugin -g -O2   -c -g -O2  -c
/scratch/packages/binutils/binutils-2.24.51.201407
04/ld/testsuite/ld-plugin/dummy.c -o tmpdir/dummy.o
Executing on host: sh -c {gcc 
-B/scratch/packages/binutils/binutils-2.24.51.20140704/builddir-single/ld/tmpdir/gas/
-I/s
cratch/packages/binutils/binutils-2.24.51.20140704/ld/testsuite/ld-plugin -g
-O2   -c -g -O2  -c /scratch/packages/binuti
ls/binutils-2.24.51.20140704/ld/testsuite/ld-plugin/dummy.c -o tmpdir/dummy.o
2>&1}  /dev/null ld.tmp (timeout = 300)
spawn [open ...]
gcc
-B/scratch/packages/binutils/binutils-2.24.51.20140704/builddir-single/ld/tmpdir/ld/
-L=/usr/x86_64-linux-gnu/lib64 -
L=/usr/local/lib64 -L=/lib64 -L=/usr/lib64 -L=/usr/x86_64-linux-gnu/lib
-L=/usr/local/lib -L=/lib -L=/usr/lib   -o tmpdir
/lto-11.exe
-L/scratch/packages/binutils/binutils-2.24.51.20140704/ld/testsuite/ld-plugin
-O -flto -fuse-linker-plugin tm
pdir/liblto-11.a tmpdir/dummy.o
Executing on host: sh -c {gcc
-B/scratch/packages/binutils/binutils-2.24.51.20140704/builddir-single/ld/tmpdir/ld/
-L=/us
r/x86_64-linux-gnu/lib64 -L=/usr/local/lib64 -L=/lib64 -L=/usr/lib64
-L=/usr/x86_64-linux-gnu/lib -L=/usr/local/lib -L=/l
ib -L=/usr/lib   -o tmpdir/lto-11.exe
-L/scratch/packages/binutils/binutils-2.24.51.20140704/ld/testsuite/ld-plugin
-O -f
lto -fuse-linker-plugin tmpdir/liblto-11.a tmpdir/dummy.o 2>&1}  /dev/null
ld.tmp (timeout = 300)
spawn [open ...]
/usr/lib/gcc/x86_64-linux-gnu/4.9/../../../x86_64-linux-gnu/crt1.o: In function
`_start':
/build/glibc-irh9iM/glibc-2.19/csu/../sysdeps/x86_64/start.S:118: undefined
reference to `main'
collect2: error: ld returned 1 exit status
/usr/lib/gcc/x86_64-linux-gnu/4.9/../../../x86_64-linux-gnu/crt1.o: In function
`_start':
/build/glibc-irh9iM/glibc-2.19/csu/../sysdeps/x86_64/start.S:118: undefined
reference to `main'
collect2: error: ld returned 1 exit status
FAIL: LTO 11

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