https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87099
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target| |x86_64-*-* i?86-*-*
Priority|P3 |P2
Status|UNCONFIRMED |NEW
Known to work| |8.1.0
Keywords| |ice-on-valid-code
Last reconfirmed| |2018-08-27
Component|rtl-optimization |middle-end
CC| |msebor at gcc dot gnu.org
Ever confirmed|0 |1
Summary|internal compiler error: |[8/9 Regression] internal
|segmentation fault |compiler error:
| |segmentation fault
Target Milestone|--- |8.3
Known to fail| |8.2.0
--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
Confirmed. Backtrace from trunk:
during RTL pass: expand
t.c: In function ‘main’:
t.c:5:13: internal compiler error: Segmentation fault
5 | int a = strncmp(&(myArray[1]),"aaaa",3);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
0x10491a9 crash_signal
/space/rguenther/src/gcc-sccvn/gcc/toplev.c:325
0x7fe0cd2b2fdf ???
/usr/src/debug/glibc-2.22/signal/../sysdeps/unix/sysv/linux/x86_64/sigaction.c:0
0x842f44 contains_struct_check(tree_node const*, tree_node_structure_enum, char
const*, int, char const*)
/space/rguenther/src/gcc-sccvn/gcc/tree.h:3489
0x8766df wi::extended_tree<192>::extended_tree(tree_node const*)
/space/rguenther/src/gcc-sccvn/gcc/tree.h:5541
0x875525 generic_wide_int<wi::extended_tree<192> >::generic_wide_int<tree_node
const*>(tree_node const* const&)
/space/rguenther/src/gcc-sccvn/gcc/wide-int.h:780
0x8750e5 wi::to_widest(tree_node const*)
/space/rguenther/src/gcc-sccvn/gcc/tree.h:5468
0x875117 tree_int_cst_lt(tree_node const*, tree_node const*)
/space/rguenther/src/gcc-sccvn/gcc/tree.h:5721
0x9ede7a maybe_warn_nonstring_arg(tree_node*, tree_node*)
/space/rguenther/src/gcc-sccvn/gcc/calls.c:1663
0x9f02cb initialize_argument_information
/space/rguenther/src/gcc-sccvn/gcc/calls.c:2197
0x9f4fd7 expand_call(tree_node*, rtx_def*, int)
/space/rguenther/src/gcc-sccvn/gcc/calls.c:3583
