[Bug lto/62213] New: [5 Rgression] ICE in lto for test case 20081120-1

["tony.wang at arm dot com" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62213

            Bug ID: 62213
           Summary: [5 Rgression] ICE in lto for test case 20081120-1
           Product: gcc
           Version: 5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: lto
          Assignee: unassigned at gcc dot gnu.org
          Reporter: tony.wang at arm dot com

Run into a lto test case ICE on trunk.

/home/build/work/GCC-5-0-build/build-native/gcc-final/gcc/xgcc
-B/home/build/work/GCC-5-0-build/build-native/gcc-final/gcc/ 
-fno-diagnostics-show-caret -fdiagnostics-color=never  -flto -r -nostdlib  -c  
 -mthumb -mcpu=cortex-m0  -o c_lto_20081120-1_0.o
/home/build/work/GCC-5-0-build/src/gcc/gcc/testsuite/gcc.dg/lto/20081120-1_0.c
/home/build/work/GCC-5-0-build/build-native/gcc-final/gcc/xgcc
-B/home/build/work/GCC-5-0-build/build-native/gcc-final/gcc/ 
-fno-diagnostics-show-caret -fdiagnostics-color=never  -flto -r -nostdlib  -c  
 -mthumb -mcpu=cortex-m0  -o c_lto_20081120-1_1.o
/home/build/work/GCC-5-0-build/src/gcc/gcc/testsuite/gcc.dg/lto/20081120-1_1.c
/home/build/work/GCC-5-0-build/build-native/gcc-final/gcc/xgcc
-B/home/build/work/GCC-5-0-build/build-native/gcc-final/gcc/
c_lto_20081120-1_0.o c_lto_20081120-1_1.o gcc_tg.o  -fno-diagnostics-show-caret
-fdiagnostics-color=never  -flto -r -nostdlib       -Wl,-wrap,exit
-Wl,-wrap,_exit -Wl,-wrap,main -Wl,-wrap,abort     -mthumb -mcpu=cortex-m0  -o
gcc-dg-lto-20081120-1-01.exe

lto1: internal compiler error: in do_whole_program_analysis, at
lto/lto.c:3249^M
0x81b8acf do_whole_program_analysis^M
        /home/build/work/GCC-5-0-build/src/gcc/gcc/lto/lto.c:3249^M
0x81b8acf lto_main()^M
        /home/build/work/GCC-5-0-build/src/gcc/gcc/lto/lto.c:3427^M
Please submit a full bug report,^M
with preprocessed source if appropriate.^M
Please include the complete backtrace with any bug report.^M
See <http://gcc.gnu.org/bugs.html> for instructions.^M
lto-wrapper: fatal error:
/home/build/work/GCC-5-0-build/build-native/gcc-final/gcc/xgcc returned 1 exit
status^M
compilation terminated.^M
/home/build/work/GCC-5-0-build/install-native/arm-none-eabi/bin/ld: lto-wrapper
failed^M
collect2: error: ld returned 1 exit status^M
compiler exited with status 1
output is:
lto1: internal compiler error: in do_whole_program_analysis, at
lto/lto.c:3249^M
0x81b8acf do_whole_program_analysis^M
        /home/build/work/GCC-5-0-build/src/gcc/gcc/lto/lto.c:3249^M
0x81b8acf lto_main()^M
        /home/build/work/GCC-5-0-build/src/gcc/gcc/lto/lto.c:3427^M
Please submit a full bug report,^M
with preprocessed source if appropriate.^M
Please include the complete backtrace with any bug report.^M
See <http://gcc.gnu.org/bugs.html> for instructions.^M
lto-wrapper: fatal error:
/home/build/work/GCC-5-0-build/build-native/gcc-final/gcc/xgcc returned 1 exit
status^M
compilation terminated.^M
/home/build/work/GCC-5-0-build/install-native/arm-none-eabi/bin/ld: lto-wrapper
failed^M
collect2: error: ld returned 1 exit status^M