https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85814
Bug ID: 85814
Summary: ICE Segmentation fault during GIMPLE pass: strlen -O3
and above
Product: gcc
Version: 9.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: zeccav at gmail dot com
Target Milestone: ---
Host: x86_64-pc-linux-gnu
Created attachment 44141
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=44141&action=edit
Preprocessed C source to be compiled with -O3 or above
// gcc 9.0.0 trunk 260152 ICE Segmentation fault during GIMPLE pass: strlen
// must be compiled with option -O3 or above
//gcc -S ~/f95/cc/gccerr68.c -O3
//during GIMPLE pass: strlen
///home/vitti/f95/cc/gccerr68.c: In function
‘cp_units_MP_cp_basic_unit_desc.constprop’:
///home/vitti/f95/cc/gccerr68.c:6388:6: internal compiler error: Segmentation
fault
// void
cp_units_MP_cp_basic_unit_desc(res_,res_Len,basic_kind_,basic_unit_,power_,accept_undefined_)
// ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//0xc74eaf crash_signal
// ../../gcc-260152/gcc/toplev.c:325
//0x15440fa5ffcf ???
//
/usr/src/debug/glibc-2.27-37-g39071a5539/signal/../sysdeps/unix/sysv/linux/x86_64/sigaction.c:0
//0xe2b8ee unshare_strinfo
// ../../gcc-260152/gcc/tree-ssa-strlen.c:721
//0xe2dd5c get_stridx_plus_constant
// ../../gcc-260152/gcc/tree-ssa-strlen.c:800
//0xe2e2c4 get_stridx
// ../../gcc-260152/gcc/tree-ssa-strlen.c:325
//0xe3343b handle_pointer_plus
// ../../gcc-260152/gcc/tree-ssa-strlen.c:2777
//0xe3343b strlen_check_and_optimize_stmt
// ../../gcc-260152/gcc/tree-ssa-strlen.c:3237
//0xe3343b strlen_dom_walker::before_dom_children(basic_block_def*)
// ../../gcc-260152/gcc/tree-ssa-strlen.c:3521
//0x13d1c02 dom_walker::walk(basic_block_def*)
// ../../gcc-260152/gcc/domwalk.c:353
//0xe34822 execute
// ../../gcc-260152/gcc/tree-ssa-strlen.c:3601
//Please submit a full bug report,
//with preprocessed source if appropriate.
//Please include the complete backtrace with any bug report.
//See <https://gcc.gnu.org/bugs/> for instructions.
