[Bug bootstrap/62300] New: [5 Regression] internal compiler error: in as_a, at is-a.h:192

["hjl.tools at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62300

            Bug ID: 62300
           Summary: [5 Regression] internal compiler error: in as_a, at
                    is-a.h:192
           Product: gcc
           Version: 5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: bootstrap
          Assignee: unassigned at gcc dot gnu.org
          Reporter: hjl.tools at gmail dot com

On Linux/x86-64, when configured with --with-multilib-list=m32,m64,mx32,
r214699 failed to bootstrap:

In file included from
../../../../src-trunk/libgcc/config/libbid/bid_internal.h:27:0,
                 from
../../../../src-trunk/libgcc/config/libbid/bid_round.c:108:
../../../../src-trunk/libgcc/config/libbid/bid_round.c: In function
Ã__bid_round64_2_18Ã:
../../../../src-trunk/libgcc/config/libbid/bid_conf.h:48:22: internal compiler
error: in as_a, at is-a.h:192
 #define round64_2_18 __bid_round64_2_18
                      ^
../../../../src-trunk/libgcc/config/libbid/bid_round.c:111:1: note: in
expansion of macro Ãround64_2_18Ã
 round64_2_18 (int q,
 ^
0x781642 rtx_insn* as_a<rtx_insn*, rtx_def>(rtx_def*)
    ../../src-trunk/gcc/is-a.h:192
0x90b93c assign_parm_setup_reg
    ../../src-trunk/gcc/function.c:3044
0x90d763 assign_parms
    ../../src-trunk/gcc/function.c:3453
0x9117cf expand_function_start(tree_node*)
    ../../src-trunk/gcc/function.c:4809
0x760cd9 execute
    ../../src-trunk/gcc/cfgexpand.c:5715
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.
make[8]: *** [bid_round.o] Error 1
make[8]: *** Waiting for unfinished jobs....
../../../../src-trunk/libgcc/config/libbid/bid128_fma.c: In function
Ãrounding_correction.constpropÃ:
../../../../src-trunk/libgcc/config/libbid/bid128_fma.c:33:1: internal compiler
error: in as_a, at is-a.h:192
 rounding_correction (unsigned int rnd_mode,
 ^
0x781642 rtx_insn* as_a<rtx_insn*, rtx_def>(rtx_def*)
    ../../src-trunk/gcc/is-a.h:192
0x90b93c assign_parm_setup_reg
    ../../src-trunk/gcc/function.c:3044
0x90d763 assign_parms
    ../../src-trunk/gcc/function.c:3453
0x9117cf expand_function_start(tree_node*)
    ../../src-trunk/gcc/function.c:4809
0x760cd9 execute
    ../../src-trunk/gcc/cfgexpand.c:5715
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.
make[8]: *** [bid128_fma.o] Error 1
make[8]: Leaving directory
`/export/gnu/import/git/gcc-test-x32/bld/x86_64-unknown-linux-gnu/x32/libgcc'
make[7]: *** [multi-do] Error 1
make[7]: Leaving directory
`/export/gnu/import/git/gcc-test-x32/bld/x86_64-unknown-linux-gnu/libgcc'
make[6]: *** [all-multi] Error 2
make[6]: Leaving directory
`/export/gnu/import/git/gcc-test-x32/bld/x86_64-unknown-linux-gnu/libgcc'
make[5]: *** [all-stage1-target-libgcc] Error 2
make[5]: Leaving directory `/export/gnu/import/git/gcc-test-x32/bld'
make[4]: *** [stage1-bubble] Error 2
make[4]: Leaving directory `/export/gnu/import/git/gcc-test-x32/bld'
make[3]: *** [bootstrap] Error 2