[Bug bootstrap/80843] New: [8 Regression] bootstrap fails in stage1 on powerpc-linux-gnu

doko at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Sat May 20 20:26:00 GMT 2017 

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80843

            Bug ID: 80843
           Summary: [8 Regression] bootstrap fails in stage1 on
                    powerpc-linux-gnu
           Product: gcc
           Version: 8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: bootstrap
          Assignee: unassigned at gcc dot gnu.org
          Reporter: doko at gcc dot gnu.org
  Target Milestone: ---

seen with trunk 20170520, trunk 20170512 succeeded to build.

original build log at
https://buildd.debian.org/status/fetch.php?pkg=gcc-snapshot&arch=powerpc&ver=20170520-1&stamp=1495309132&raw=0

/«PKGBUILDDIR»/build/./gcc/xgcc -B/«PKGBUILDDIR»/build/./gcc/
-B/usr/lib/gcc-snapshot/powerpc-linux-gnu/bin/
-B/usr/lib/gcc-snapshot/powerpc-linux-gnu/lib/ -isystem
/usr/lib/gcc-snapshot/powerpc-linux-gnu/include -isystem
/usr/lib/gcc-snapshot/powerpc-linux-gnu/sys-include    -g -O2 -O2  -g -O2
-DIN_GCC    -W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual -Wno-format
-Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition  -isystem
./include   -fPIC -mlong-double-128 -mno-minimal-toc -g -DIN_LIBGCC2
-fbuilding-libgcc -fno-stack-protector   -fPIC -mlong-double-128
-mno-minimal-toc -I. -I. -I../.././gcc -I../../../src/libgcc
-I../../../src/libgcc/. -I../../../src/libgcc/../gcc
-I../../../src/libgcc/../include -I../../../src/libgcc/../libdecnumber/dpd
-I../../../src/libgcc/../libdecnumber -DHAVE_CC_TLS  -Wno-type-limits -mvsx
-mfloat128 -mno-float128-hardware -I../../../src/libgcc/soft-fp
-I../../../src/libgcc/config/rs6000  -o _mulkc3.o -MT _mulkc3.o -MD -MP -MF
_mulkc3.dep  -c ../../../src/libgcc/config/rs6000/_mulkc3.c -fvisibility=hidden
-DHIDE_EXPORTS
*** Error in `/«PKGBUILDDIR»/build/./gcc/cc1': free(): invalid next size
(fast): 0x124eb500 ***
======= Backtrace: =========
/lib/powerpc-linux-gnu/libc.so.6(+0x81adc)[0xf971adc]
/lib/powerpc-linux-gnu/libc.so.6(+0x8b254)[0xf97b254]
/lib/powerpc-linux-gnu/libc.so.6(+0x8bd74)[0xf97bd74]
/«PKGBUILDDIR»/build/./gcc/cc1(_Z12sbitmap_freeP17simple_bitmap_def+0x20)[0x104d2d2c]
/«PKGBUILDDIR»/build/./gcc/cc1[0x10c40ea4]
/«PKGBUILDDIR»/build/./gcc/cc1(_Z28try_shrink_wrapping_separateP15basic_block_def+0x3d8)[0x10c43f2c]
/«PKGBUILDDIR»/build/./gcc/cc1(_Z34thread_prologue_and_epilogue_insnsv+0xc0)[0x107adbc8]
/«PKGBUILDDIR»/build/./gcc/cc1[0x107aee34]
/«PKGBUILDDIR»/build/./gcc/cc1[0x107aef18]
/«PKGBUILDDIR»/build/./gcc/cc1(_Z16execute_one_passP8opt_pass+0x318)[0x10b0be00]
/«PKGBUILDDIR»/build/./gcc/cc1[0x10b0c1f8]
/«PKGBUILDDIR»/build/./gcc/cc1[0x10b0c238]
/«PKGBUILDDIR»/build/./gcc/cc1[0x10b0c238]
/«PKGBUILDDIR»/build/./gcc/cc1(_Z17execute_pass_listP8functionP8opt_pass+0x50)[0x10b0c2c0]
/«PKGBUILDDIR»/build/./gcc/cc1(_ZN11cgraph_node6expandEv+0x224)[0x105b1360]
/«PKGBUILDDIR»/build/./gcc/cc1[0x105b1ae4]
/«PKGBUILDDIR»/build/./gcc/cc1(_ZN12symbol_table7compileEv+0x2f4)[0x105b297c]
/«PKGBUILDDIR»/build/./gcc/cc1(_ZN12symbol_table25finalize_compilation_unitEv+0x150)[0x105b2c34]
/«PKGBUILDDIR»/build/./gcc/cc1[0x10c9206c]
/«PKGBUILDDIR»/build/./gcc/cc1[0x10c957e8]
/«PKGBUILDDIR»/build/./gcc/cc1(_ZN6toplev4mainEiPPc+0x1bc)[0x10c95c04]
/«PKGBUILDDIR»/build/./gcc/cc1(main+0x48)[0x118983c4]
/lib/powerpc-linux-gnu/libc.so.6(+0x21274)[0xf911274]
/lib/powerpc-linux-gnu/libc.so.6(__libc_start_main+0xdc)[0xf91147c]
======= Memory map: ========
00100000-00120000 r-xp 00000000 00:00 0                                  [vdso]
0f8f0000-0fa80000 r-xp 00000000 00:1c 21642306                          
/lib/powerpc-linux-gnu/libc-2.24.so
0fa80000-0fa90000 r--p 00180000 00:1c 21642306                          
/lib/powerpc-linux-gnu/libc-2.24.so
0fa90000-0faa0000 rw-p 00190000 00:1c 21642306                          
/lib/powerpc-linux-gnu/libc-2.24.so
0fab0000-0fb80000 r-xp 00000000 00:1c 21642302                          
/lib/powerpc-linux-gnu/libm-2.24.so
0fb80000-0fb90000 r--p 000c0000 00:1c 21642302                          
/lib/powerpc-linux-gnu/libm-2.24.so
0fb90000-0fba0000 rw-p 000d0000 00:1c 21642302                          
/lib/powerpc-linux-gnu/libm-2.24.so
0fbb0000-0fbd0000 r-xp 00000000 00:1c 21642231                          
/lib/powerpc-linux-gnu/libz.so.1.2.8
0fbd0000-0fbe0000 r--p 00010000 00:1c 21642231                          
/lib/powerpc-linux-gnu/libz.so.1.2.8
0fbe0000-0fbf0000 rw-p 00020000 00:1c 21642231                          
/lib/powerpc-linux-gnu/libz.so.1.2.8
0fc00000-0fc10000 r-xp 00000000 00:1c 21642303                          
/lib/powerpc-linux-gnu/libdl-2.24.so
0fc10000-0fc20000 r--p 00000000 00:1c 21642303                          
/lib/powerpc-linux-gnu/libdl-2.24.so
0fc20000-0fc30000 rw-p 00010000 00:1c 21642303                          
/lib/powerpc-linux-gnu/libdl-2.24.so
0fc40000-0fcd0000 r-xp 00000000 00:1c 21621381                          
/usr/lib/powerpc-linux-gnu/libgmp.so.10.3.2
0fcd0000-0fce0000 r--p 00080000 00:1c 21621381                          
/usr/lib/powerpc-linux-gnu/libgmp.so.10.3.2
0fce0000-0fcf0000 rw-p 00090000 00:1c 21621381                          
/usr/lib/powerpc-linux-gnu/libgmp.so.10.3.2
0fd00000-0fd80000 r-xp 00000000 00:1c 21621375                          
/usr/lib/powerpc-linux-gnu/libmpfr.so.4.1.5
0fd80000-0fd90000 r--p 00070000 00:1c 21621375                          
/usr/lib/powerpc-linux-gnu/libmpfr.so.4.1.5
0fd90000-0fda0000 rw-p 00080000 00:1c 21621375                          
/usr/lib/powerpc-linux-gnu/libmpfr.so.4.1.5
0fdb0000-0fdd0000 r-xp 00000000 00:1c 21621377                          
/usr/lib/powerpc-linux-gnu/libmpc.so.3.0.0
0fdd0000-0fde0000 r--p 00010000 00:1c 21621377                          
/usr/lib/powerpc-linux-gnu/libmpc.so.3.0.0
0fde0000-0fdf0000 rw-p 00020000 00:1c 21621377                          
/usr/lib/powerpc-linux-gnu/libmpc.so.3.0.0
0fe00000-0ffd0000 r-xp 00000000 00:1c 21621379                          
/usr/lib/powerpc-linux-gnu/libisl.so.15.3.0
0ffd0000-0ffe0000 r--p 001c0000 00:1c 21621379                          
/usr/lib/powerpc-linux-gnu/libisl.so.15.3.0
0ffe0000-0fff0000 rw-p 001d0000 00:1c 21621379                          
/usr/lib/powerpc-linux-gnu/libisl.so.15.3.0
10000000-12180000 r-xp 00000000 00:1c 21765005                          
/«PKGBUILDDIR»/build/gcc/cc1
12190000-121a0000 r--p 02180000 00:1c 21765005                          
/«PKGBUILDDIR»/build/gcc/cc1
121a0000-121b0000 rw-p 02190000 00:1c 21765005                          
/«PKGBUILDDIR»/build/gcc/cc1
121b0000-12290000 rwxp 00000000 00:00 0 
12440000-12700000 rwxp 00000000 00:00 0                                  [heap]
f58e0000-f7900000 rw-p 00000000 00:00 0 
f7900000-f7930000 r-xp 00000000 00:1c 21642310                          
/lib/powerpc-linux-gnu/ld-2.24.so
f7930000-f7940000 r--p 00020000 00:1c 21642310                          
/lib/powerpc-linux-gnu/ld-2.24.so
f7940000-f7950000 rw-p 00030000 00:1c 21642310                          
/lib/powerpc-linux-gnu/ld-2.24.so
ffbf0000-ffc20000 rw-p 00000000 00:00 0                                 
[stack]
*** Error in `/«PKGBUILDDIR»/build/./gcc/cc1': free(): invalid next size
(fast): 0x1272bdc0 ***
======= Backtrace: =========
/lib/powerpc-linux-gnu/libc.so.6(+0x81adc)[0xf971adc]
/lib/powerpc-linux-gnu/libc.so.6(+0x8b254)[0xf97b254]
/lib/powerpc-linux-gnu/libc.so.6(+0x8bd74)[0xf97bd74]
../../../src/libgcc/config/rs6000/extendkftf2-sw.c: In function
'__extendkftf2':
../../../src/libgcc/config/rs6000/extendkftf2-sw.c:53:1: internal compiler
error: Aborted

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