https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63845
Bug ID: 63845
Summary: c-c++-common/asan/bitfield-1.c fails on i?86 -with
-fpic
Product: gcc
Version: 5.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: sanitizer
Assignee: unassigned at gcc dot gnu.org
Reporter: ubizjak at gmail dot com
CC: dodji at gcc dot gnu.org, dvyukov at gcc dot gnu.org,
jakub at gcc dot gnu.org, kcc at gcc dot gnu.org
Target: i686-pc-linux-gnu
Found when running testsuite on x86_64 -m32 with -fpic:
$ ~/gcc-build/gcc/cc1 -quiet -fsanitize=address -m32 -fpic bitfield-1.c
bitfield-1.c: In function ‘main’:
bitfield-1.c:23:1: internal compiler error: in df_refs_verify, at
df-scan.c:4088
}
^
0x6e9a6b df_refs_verify
../../gcc-svn/trunk/gcc/df-scan.c:4088
0x6ed861 df_insn_refs_verify
../../gcc-svn/trunk/gcc/df-scan.c:4161
0x6ede02 df_bb_verify
../../gcc-svn/trunk/gcc/df-scan.c:4188
0x6f1457 df_scan_verify()
../../gcc-svn/trunk/gcc/df-scan.c:4320
0x6df084 df_verify()
../../gcc-svn/trunk/gcc/df-core.c:1860
0x6df084 df_analyze_1
../../gcc-svn/trunk/gcc/df-core.c:1248
0x8ddbdb ira
../../gcc-svn/trunk/gcc/ira.c:5158
0x8ddbdb execute
../../gcc-svn/trunk/gcc/ira.c:5507
Please submit a full bug report,
The failure with -O2 is a bit different:
$ ~/gcc-build/gcc/cc1 -quiet -fsanitize=address -m32 -fpic -O2 bitfield-1.c
bitfield-1.c: In function ‘main’:
bitfield-1.c:23:1: internal compiler error: Segmentation fault
}
^
0xa4ea8f crash_signal
../../gcc-svn/trunk/gcc/toplev.c:358
0x6ea7ff df_install_ref
../../gcc-svn/trunk/gcc/df-scan.c:2331
0x6edfa5 df_install_refs
../../gcc-svn/trunk/gcc/df-scan.c:2413
0x6ee57b df_refs_add_to_chains
../../gcc-svn/trunk/gcc/df-scan.c:2466
0x6f07dc df_bb_refs_record(int, bool)
../../gcc-svn/trunk/gcc/df-scan.c:3399
0x6f098c df_scan_blocks()
../../gcc-svn/trunk/gcc/df-scan.c:629
0x6ddb52 rest_of_handle_df_initialize
../../gcc-svn/trunk/gcc/df-core.c:746
Please submit a full bug report,
