http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51746
Bug #: 51746
Summary: Segfault in cselib_preserved_value_p
Classification: Unclassified
Product: gcc
Version: 4.7.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: debug
AssignedTo: unassig...@gcc.gnu.org
ReportedBy: rmansfi...@qnx.com
CC: aol...@gcc.gnu.org, ja...@gcc.gnu.org
Host: x86_64-linux-gnu
Target: arm-unknown-linux-gnueabi
Build: x86_64-linux-gnu
Created attachment 26234
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=26234
preprocessed source
Starting with rev182760 the following crash occurs:
$ ./xgcc -v
Using built-in specs.
COLLECT_GCC=./xgcc
Target: arm-unknown-linux-gnueabi
Configured with: ../configure --target=arm-unknown-linux-gnueabi
--prefix=/home/ryan/x-tools/arm-unknown-linux-gnueabi
--with-sysroot=/home/ryan/x-tools/arm-unknown-linux-gnueabi/arm-unknown-linux-gnueabi//sys-root
--disable-multilib
--with-local-prefix=/home/ryan/x-tools/arm-unknown-linux-gnueabi/arm-unknown-linux-gnueabi/sys-root
--disable-nls --enable-threads=posix --enable-symvers=gnu --enable-c99
--enable-long-long --enable-target-optspace
target_alias=arm-unknown-linux-gnueabi --enable-languages=c++ --disable-shared
--disable-libmudflap --disable-libssp
Thread model: posix
gcc version 4.7.0 20120103 (experimental) [trunk revision 182858] (GCC)
ryan@zoidberg:~/gnu/gcc/trunk/arm-eabi/gcc$ ./xgcc -B. -O -g ~/seg.i
/home/ryan/seg.i: In function 'init_textlist':
/home/ryan/seg.i:12:38: warning: incompatible implicit declaration of built-in
function 'strlen' [enabled by default]
/home/ryan/seg.i:13:10: warning: assignment makes pointer from integer without
a cast [enabled by default]
/home/ryan/seg.i:18:1: internal compiler error: Segmentation fault
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
#0 cselib_preserved_value_p (v=0x0) at ../../gcc/cselib.c:674
#1 0x0000000000a7543a in add_stores (loc=<optimized out>,
expr=0x7ffff6dfb840, cuip=0x7fffffffbb10) at ../../gcc/var-tracking.c:5522
#2 0x0000000000a73277 in add_with_sets (insn=0x7ffff6dfc510,
sets=<optimized out>, n_sets=<optimized out>)
at ../../gcc/var-tracking.c:6049
#3 0x00000000005ddc00 in cselib_record_sets (insn=0x7ffff6dfc510)
at ../../gcc/cselib.c:2476
#4 0x00000000005de850 in cselib_process_insn (insn=0x7ffff6dfc510)
at ../../gcc/cselib.c:2568
#5 0x0000000000a79ca2 in vt_initialize () at ../../gcc/var-tracking.c:9398
#6 0x0000000000a82537 in variable_tracking_main_1 ()
at ../../gcc/var-tracking.c:9575
#7 variable_tracking_main () at ../../gcc/var-tracking.c:9627
