[Bug c/89153] New: internal compiler error: in assign_stack_local_1, at function.c:409

[gsocshubham at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89153

            Bug ID: 89153
           Summary: internal compiler error: in assign_stack_local_1, at
                    function.c:409
           Product: gcc
           Version: 6.3.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
          Assignee: unassigned at gcc dot gnu.org
          Reporter: gsocshubham at gmail dot com
  Target Milestone: ---
              Host: x86_64-linux-gnu
            Target: x86_64-linux-gnu
             Build: x86_64-linux-gnu

Created attachment 45591
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=45591&action=edit
Preprocessed code of file named "work4_crash.c"

$ gcc -v

Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/6/lto-wrapper
Target: x86_64-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Debian 6.3.0-18+deb9u1'
--with-bugurl=file:///usr/share/doc/gcc-6/README.Bugs
--enable-languages=c,ada,c++,java,go,d,fortran,objc,obj-c++ --prefix=/usr
--program-suffix=-6 --program-prefix=x86_64-linux-gnu- --enable-shared
--enable-linker-build-id --libexecdir=/usr/lib --without-included-gettext
--enable-threads=posix --libdir=/usr/lib --enable-nls --with-sysroot=/
--enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes
--with-default-libstdcxx-abi=new --enable-gnu-unique-object
--disable-vtable-verify --enable-libmpx --enable-plugin --enable-default-pie
--with-system-zlib --disable-browser-plugin --enable-java-awt=gtk
--enable-gtk-cairo --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-6-amd64/jre
--enable-java-home --with-jvm-root-dir=/usr/lib/jvm/java-1.5.0-gcj-6-amd64
--with-jvm-jar-dir=/usr/lib/jvm-exports/java-1.5.0-gcj-6-amd64
--with-arch-directory=amd64 --with-ecj-jar=/usr/share/java/eclipse-ecj.jar
--with-target-system-zlib --enable-objc-gc=auto --enable-multiarch
--with-arch-32=i686 --with-abi=m64 --with-multilib-list=m32,m64,mx32
--enable-multilib --with-tune=generic --enable-checking=release
--build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu
Thread model: posix

gcc version 6.3.0 20170516 (Debian 6.3.0-18+deb9u1)

-----------------------------------------------------------------------------
COMMAND USED FOR COMPILATION

gcc -O1 work4_crash.c -w
work4_crash.c: In function ‘func_6’:
work4_crash.c:754:1: internal compiler error: in assign_stack_local_1, at
function.c:409
 }
 ^
Please submit a full bug report,
with preprocessed source if appropriate.
See <file:///usr/share/doc/gcc-6/README.Bugs> for instructions.


-----------------------------------------------------------------------------

REDUCED FILE USING CREDUCE

#include "csmith.h"
a, b, d, e;
__int128 c;
f[][1][1];
g(h, i) {
  int32_t j;
  int32_t k[5];
  for (;;)
    for (; a;) {
      for (j = 4; j; j--)
        if (!h <
            safe_mul_func_int8_t_s_s(
                safe_mod_func_uint16_t_u_u(safe_sub_func_int16_t_s_s(k, j),
51),
                7)) {
          uint32_t l[] = {l};
          f[0][0][j] = k[j];
          if (i)
            d = 0;
        }
      c = 0;
      for (; c >= 0; c--) {
        int16_t *m;
        *m = safe_lshift_func_int8_t_s_s(g != 6026818794, e);
      }
      b = 0;
    }