[Bug target/65807] New: [5 Regression] ICE () on powerpc64le-linux-gnu

["doko at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65807

            Bug ID: 65807
           Summary: [5 Regression] ICE () on powerpc64le-linux-gnu
           Product: gcc
           Version: 5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: doko at gcc dot gnu.org

Created attachment 35358
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=35358&action=edit
preprocessed source

seen with r222064 on powerpc64le-linux-gnu. trying to reduce using creduce
2.2.1, creduce expands the file to 230% instead of reducing.

$ gcc -g -O -Wformat -Werror=format-security -Wall -Wextra -c stress-cpu.i
stress-cpu.c: In function 'stress_cpu_int8':
stress-cpu.c:772:1: internal compiler error: Segmentation fault
 stress_cpu_int(uint8_t, 8, \
 ^
0x10816cb3 crash_signal
        ../../src/gcc/toplev.c:383
0x102a9fb4 lookup_page_table_entry
        ../../src/gcc/ggc-page.c:659
0x102a9fb4 ggc_set_mark(void const*)
        ../../src/gcc/ggc-page.c:1540
0x103cae37 gt_ggc_mx_addr_table_entry_struct(void*)
        ./gt-dwarf2out.h:515
0x103cb13b gt_ggc_mx(dw_attr_struct&)
        ./gt-dwarf2out.h:296
0x103ca537 void gt_ggc_mx<dw_attr_struct>(vec<dw_attr_struct, va_gc,
vl_embed>*)
        ../../src/gcc/vec.h:1098
0x103ca537 gt_ggc_mx_vec_dw_attr_node_va_gc_(void*)
        ./gt-dwarf2out.h:288
0x103ca5f7 gt_ggc_mx_die_struct(void*)
        ./gt-dwarf2out.h:594
0x103ca617 gt_ggc_mx_die_struct(void*)
        ./gt-dwarf2out.h:596
0x103ca537 void gt_ggc_mx<dw_attr_struct>(vec<dw_attr_struct, va_gc,
vl_embed>*)
        ../../src/gcc/vec.h:1098
0x103ca537 gt_ggc_mx_vec_dw_attr_node_va_gc_(void*)
        ./gt-dwarf2out.h:288
0x103ca5f7 gt_ggc_mx_die_struct(void*)
        ./gt-dwarf2out.h:594
0x103beae7 ggc_hasher<die_struct*>::ggc_mx(die_struct*)
        ../../src/gcc/hash-table.h:321
0x103beae7 gt_ggc_mx<block_die_hasher>
        ../../src/gcc/hash-table.h:1712
0x103beae7 gt_ggc_mx_hash_table_decl_die_hasher_(void*)
        ./gt-dwarf2out.h:244
0x104da947 ggc_mark_root_tab
        ../../src/gcc/ggc-common.c:81
0x104dac83 ggc_mark_roots()
        ../../src/gcc/ggc-common.c:98
0x102aa9a7 ggc_collect()
        ../../src/gcc/ggc-page.c:2199
Please submit a full bug report,
with preprocessed source if appropriate.

$ gcc -v 
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/lib/gcc/powerpc64le-linux-gnu/5/lto-wrapper
Target: powerpc64le-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Ubuntu
5.1~rc1-0ubuntu12' --with-bugurl=file:///usr/share/doc/gcc-5/README.Bugs
--enable-languages=c,ada,c++,java,go,d,fortran,objc,obj-c++ --prefix=/usr
--program-suffix=-5 --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=c++98 --enable-gnu-unique-object
--disable-libquadmath --enable-plugin --with-system-zlib
--disable-browser-plugin --enable-java-awt=gtk --enable-gtk-cairo
--with-java-home=/usr/lib/jvm/java-1.5.0-gcj-5-ppc64el/jre --enable-java-home
--with-jvm-root-dir=/usr/lib/jvm/java-1.5.0-gcj-5-ppc64el
--with-jvm-jar-dir=/usr/lib/jvm-exports/java-1.5.0-gcj-5-ppc64el
--with-arch-directory=ppc64 --with-ecj-jar=/usr/share/java/eclipse-ecj.jar
--enable-objc-gc --enable-secureplt --with-cpu=power7 --with-tune=power8
--disable-multilib --enable-multiarch --disable-werror --with-long-double-128
--enable-checking=yes --build=powerpc64le-linux-gnu
--host=powerpc64le-linux-gnu --target=powerpc64le-linux-gnu
Thread model: posix
gcc version 5.0.1 20150419 (prerelease) [gcc-5-branch revision 222064] (Ubuntu
5.1~rc1-0ubuntu12)