https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71389
Bug ID: 71389
Summary: ICE on trunk gcc on ivybridge target (df_refs_verify)
Product: gcc
Version: 7.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: anton.mitrokhin at phystech dot edu
Target Milestone: ---
Created attachment 38627
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38627&action=edit
Reproducer
Reproducer:
> g++ -std=c++11 -O3 -march=ivybridge -o out.o -c crash.cpp
Output:
crash.cpp: In function 'void fn1()':
crash.cpp:23:1: internal compiler error: in df_refs_verify, at df-scan.c:4033
}
^
0x9b0f62 df_refs_verify
/export/users/gnutester/stability/svn/trunk/gcc/df-scan.c:4033
0x9b6a16 df_insn_refs_verify
/export/users/gnutester/stability/svn/trunk/gcc/df-scan.c:4115
0x9b6fb3 df_bb_verify
/export/users/gnutester/stability/svn/trunk/gcc/df-scan.c:4142
0x9ba5f7 df_scan_verify()
/export/users/gnutester/stability/svn/trunk/gcc/df-scan.c:4274
0x9a5384 df_verify()
/export/users/gnutester/stability/svn/trunk/gcc/df-core.c:1831
0x9a5384 df_analyze_1
/export/users/gnutester/stability/svn/trunk/gcc/df-core.c:1217
0xba613e ira
/export/users/gnutester/stability/svn/trunk/gcc/ira.c:5137
0xba613e execute
/export/users/gnutester/stability/svn/trunk/gcc/ira.c:5525
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=gcc
COLLECT_LTO_WRAPPER=/export/users/amitrokh/gcc_trunk/bin/../libexec/gcc/x86_64-pc-linux-gnu/7.0.0/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: /export/users/gnutester/stability/svn/trunk/configure
--with-arch=corei7 --with-cpu=corei7 --enable-clocale=gnu --with-system-zlib
--enable-shared --with-demangler-in-ld --enable-cloog-backend=isl
--with-fpmath=sse --with-pkgversion=Revision=237011/svn-rev:237016/
--prefix=/export/users/gnutester/stability/work/trunk/64/install
--enable-languages=c,c++,fortran,java,lto
Thread model: posix
gcc version 7.0.0 20160601 (experimental) (Revision=237011/svn-rev:237016/)
