http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59669
Bug ID: 59669
Summary: ICE: SIGSEGV with #pragma omp declare simd linear
Product: gcc
Version: 4.9.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: middle-end
Assignee: unassigned at gcc dot gnu.org
Reporter: zsojka at seznam dot cz
Created attachment 31567
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=31567&action=edit
reduced testcase
Compiler output:
$ gcc -fopenmp testcase.c
==16645== Invalid read of size 2
==16645== at 0xA2AEDB: simd_clone_adjust(cgraph_node*) (tree.h:2916)
==16645== by 0xA3C2FD: (anonymous namespace)::pass_omp_simd_clone::execute()
(omp-low.c:11727)
==16645== by 0xA58859: execute_one_pass(opt_pass*) (passes.c:2226)
==16645== by 0xA590DA: execute_ipa_pass_list(opt_pass*) (passes.c:2604)
==16645== by 0x79797A: compile() (cgraphunit.c:2200)
==16645== by 0x7986A4: finalize_compilation_unit() (cgraphunit.c:2319)
==16645== by 0x6482A3: c_write_global_declarations() (c-decl.c:10400)
==16645== by 0xB4DE6C: compile_file() (toplev.c:561)
==16645== by 0xB4FDF7: toplev_main(int, char**) (toplev.c:1887)
==16645== by 0x5A439B4: (below main) (in /lib64/libc-2.16.so)
==16645== Address 0x0 is not stack'd, malloc'd or (recently) free'd
==16645==
testcase.c: In function 'foo.simdclone.0':
testcase.c:5:1: 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.
$ gcc -v
Using built-in specs.
COLLECT_GCC=/mnt/svn/gcc-trunk/binary-latest/bin/gcc
COLLECT_LTO_WRAPPER=/mnt/svn/gcc-trunk/binary-206310-lto-fortran-checking-yes-rtl-df/libexec/gcc/x86_64-unknown-linux-gnu/4.9.0/lto-wrapper
Target: x86_64-unknown-linux-gnu
Configured with: /mnt/svn/gcc-trunk//configure --enable-checking=yes,rtl,df
--enable-languages=c,c++,lto,fortran
--prefix=/mnt/svn/gcc-trunk/binary-206310-lto-fortran-checking-yes-rtl-df/
--without-cloog --without-ppl
Thread model: posix
gcc version 4.9.0 20140103 (experimental) (GCC)
Tested revisions:
r206310 - crash
4.8 - ignoring #pragma omp declare
