http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57104
Bug #: 57104
Summary: ICE: in expand_expr_addr_expr_1, at expr.c:7594 with
-fsanitize=thread and hardreg variable
Classification: Unclassified
Product: gcc
Version: 4.9.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: sanitizer
AssignedTo: unassig...@gcc.gnu.org
ReportedBy: zso...@seznam.cz
CC: do...@gcc.gnu.org, dvyu...@gcc.gnu.org,
ja...@gcc.gnu.org, k...@gcc.gnu.org
Created attachment 29965
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=29965
reduced testcase
Compiler output:
$ gcc -fsanitize=thread testcase.c
testcase.c: In function 'foo':
testcase.c:6:12: internal compiler error: in expand_expr_addr_expr_1, at
expr.c:7594
data_0 + data_3;
^
0x79a535 expand_expr_addr_expr_1
/mnt/svn/gcc-trunk/gcc/expr.c:7594
0x78cbe9 expand_expr_addr_expr
/mnt/svn/gcc-trunk/gcc/expr.c:7703
0x78cbe9 expand_expr_real_1(tree_node*, rtx_def*, machine_mode,
expand_modifier, rtx_def**)
/mnt/svn/gcc-trunk/gcc/expr.c:10436
0x6877cd expand_normal
/mnt/svn/gcc-trunk/gcc/expr.h:450
0x6877cd precompute_register_parameters
/mnt/svn/gcc-trunk/gcc/calls.c:821
0x6877cd expand_call(tree_node*, rtx_def*, int)
/mnt/svn/gcc-trunk/gcc/calls.c:3013
0x66c364 expand_builtin(tree_node*, rtx_def*, rtx_def*, machine_mode, int)
/mnt/svn/gcc-trunk/gcc/builtins.c:6868
0x78b097 expand_expr_real_1(tree_node*, rtx_def*, machine_mode,
expand_modifier, rtx_def**)
/mnt/svn/gcc-trunk/gcc/expr.c:10207
0x69c9a5 expand_call_stmt
/mnt/svn/gcc-trunk/gcc/cfgexpand.c:2119
0x69c9a5 expand_gimple_stmt_1
/mnt/svn/gcc-trunk/gcc/cfgexpand.c:2157
0x69c9a5 expand_gimple_stmt
/mnt/svn/gcc-trunk/gcc/cfgexpand.c:2309
0x69d74d expand_gimple_basic_block
/mnt/svn/gcc-trunk/gcc/cfgexpand.c:4143
0x69f7bc gimple_expand_cfg
/mnt/svn/gcc-trunk/gcc/cfgexpand.c:4662
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
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-198366-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-198366-lto-fortran-checking-yes-rtl-df/
--without-cloog --without-ppl
Thread model: posix
gcc version 4.9.0 20130428 (experimental) (GCC)
Tested revisions:
r198366 - crash
4.8 r198018 - crash
