[Bug target/97847] [11 Regression] ICE in insert_insn_on_edge, at cfgrtl.c:1976

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97847

Martin Liška <marxin at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|WAITING                     |NEW

--- Comment #2 from Martin Liška <marxin at gcc dot gnu.org> ---
I've just reproduced that on gcc110 machine with the following revision
g:4b81528241ca682025d92558ff6aeec91dafdca8

$ ./xgcc -v
Using built-in specs.
COLLECT_GCC=./xgcc
Target: powerpc64-unknown-linux-gnu
Configured with: ../configure --disable-bootstrap --enable-languages=c,c++,lto
--prefix=/home/marxin/bin/gcc
Thread model: posix
Supported LTO compression algorithms: zlib
gcc version 11.0.0 20201118 (experimental) (GCC) 

$ ./xgcc -B.
/home/marxin/Programming/gcc/gcc/testsuite/gcc.c-torture/compile/pr32919.c
-mno-speculate-indirect-jumps -c --verbose
Reading specs from ./specs
COLLECT_GCC=./xgcc
Target: powerpc64-unknown-linux-gnu
Configured with: ../configure --disable-bootstrap --enable-languages=c,c++,lto
--prefix=/home/marxin/bin/gcc
Thread model: posix
Supported LTO compression algorithms: zlib
gcc version 11.0.0 20201118 (experimental) (GCC) 
COLLECT_GCC_OPTIONS='-B' '.' '-mno-speculate-indirect-jumps' '-c' '-v'
 ./cc1 -quiet -v -iprefix
/home/marxin/Programming/gcc/objdir/gcc/../lib/gcc/powerpc64-unknown-linux-gnu/11.0.0/
-isystem ./include -isystem ./include-fixed
/home/marxin/Programming/gcc/gcc/testsuite/gcc.c-torture/compile/pr32919.c
-quiet -dumpbase pr32919.c -dumpbase-ext .c -mno-speculate-indirect-jumps
-version -o /tmp/cc35CrAT.s
GNU C17 (GCC) version 11.0.0 20201118 (experimental)
(powerpc64-unknown-linux-gnu)
        compiled by GNU C version 4.8.5 20150623 (Red Hat 4.8.5-39), GMP
version 6.0.0, MPFR version 3.1.1, MPC version 1.0.1, isl version none
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
ignoring nonexistent directory
"/home/marxin/Programming/gcc/objdir/gcc/../lib/gcc/powerpc64-unknown-linux-gnu/11.0.0/include"
ignoring nonexistent directory
"/home/marxin/Programming/gcc/objdir/gcc/../lib/gcc/powerpc64-unknown-linux-gnu/11.0.0/include-fixed"
ignoring nonexistent directory
"/home/marxin/Programming/gcc/objdir/gcc/../lib/gcc/powerpc64-unknown-linux-gnu/11.0.0/../../../../powerpc64-unknown-linux-gnu/include"
ignoring nonexistent directory
"/home/marxin/Programming/gcc/objdir/gcc/../lib/gcc/../../lib/gcc/powerpc64-unknown-linux-gnu/11.0.0/include"
ignoring nonexistent directory
"/home/marxin/Programming/gcc/objdir/gcc/../lib/gcc/../../include"
ignoring nonexistent directory
"/home/marxin/Programming/gcc/objdir/gcc/../lib/gcc/../../lib/gcc/powerpc64-unknown-linux-gnu/11.0.0/include-fixed"
ignoring nonexistent directory
"/home/marxin/Programming/gcc/objdir/gcc/../lib/gcc/../../lib/gcc/powerpc64-unknown-linux-gnu/11.0.0/../../../../powerpc64-unknown-linux-gnu/include"
#include "..." search starts here:
#include <...> search starts here:
 ./include
 ./include-fixed
 /usr/local/include
 /usr/include
End of search list.
cc1: warning: ‘-mno-speculate-indirect-jumps’ is deprecated and not recommended
in any circumstances
GNU C17 (GCC) version 11.0.0 20201118 (experimental)
(powerpc64-unknown-linux-gnu)
        compiled by GNU C version 4.8.5 20150623 (Red Hat 4.8.5-39), GMP
version 6.0.0, MPFR version 3.1.1, MPC version 1.0.1, isl version none
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
Compiler executable checksum: 7d94193eb0258434742b800b3306907a
/home/marxin/Programming/gcc/gcc/testsuite/gcc.c-torture/compile/pr32919.c: In
function ‘_IO_vfprintf_internal’:
/home/marxin/Programming/gcc/gcc/testsuite/gcc.c-torture/compile/pr32919.c:13:6:
warning: implicit declaration of function ‘read_int’
[-Wimplicit-function-declaration]
   13 |      read_int (&f);
      |      ^~~~~~~~
/home/marxin/Programming/gcc/gcc/testsuite/gcc.c-torture/compile/pr32919.c:15:5:
warning: implicit declaration of function ‘_itoa_word’
[-Wimplicit-function-declaration]
   15 |     _itoa_word (spec);
      |     ^~~~~~~~~~
/home/marxin/Programming/gcc/gcc/testsuite/gcc.c-torture/compile/pr32919.c:23:7:
warning: implicit declaration of function ‘__strnlen’
[-Wimplicit-function-declaration]
   23 |       __strnlen ();
      |       ^~~~~~~~~
during RTL pass: ira
/home/marxin/Programming/gcc/gcc/testsuite/gcc.c-torture/compile/pr32919.c:28:1:
internal compiler error: in ira, at ira.c:5432
   28 | }
      | ^
0x10839583 ira
        ../../gcc/ira.c:5432
0x10839583 execute
        ../../gcc/ira.c:5945
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.