[Bug c/82216] New: internal compiler error: Illegal instruction

[suhubdyd at iro dot umontreal.ca]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82216

            Bug ID: 82216
           Summary: internal compiler error: Illegal instruction
           Product: gcc
           Version: 7.2.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
          Assignee: unassigned at gcc dot gnu.org
          Reporter: suhubdyd at iro dot umontreal.ca
  Target Milestone: ---

(gdb) start
Temporary breakpoint 1 at 0x403cf0: file ../.././gcc/gcc-main.c, line 42.
Starting program: /u/suhubdyd/.local/bin/gcc-7.2 -D_GNU_SOURCE
-Dgpuarray_EXPORTS -I/u/suhubdyd/research/frameworks/libgpuarray/src -Wall
-Wno-unused-parameter -Werror=format-security -Wdeclaration-after-statement
-std=gnu89 -g -DDEBUG -fPIC -fvisibility=hidden -Wdeclaration-after-statement
-DGPUARRAY_BUILDING_DLL -DGPUARRAY_SHARED -o
CMakeFiles/gpuarray.dir/gpuarray_reduction.c.o -c
/u/suhubdyd/research/frameworks/libgpuarray/src/gpuarray_reduction.c

Temporary breakpoint 1, main (argc=20, argv=0x7fffffffb618) at
../.././gcc/gcc-main.c:42
42      ../.././gcc/gcc-main.c: No such file or directory.
(gdb) handle SIGILL stop nopass
Signal        Stop      Print   Pass to program Description
SIGILL        Yes       Yes     No              Illegal instruction
(gdb) c
Continuing.
/u/suhubdyd/research/frameworks/libgpuarray/src/gpuarray_reduction.c: In
function ‘maxandargmaxSchedule’:
/u/suhubdyd/research/frameworks/libgpuarray/src/gpuarray_reduction.c:720:2:
internal compiler error: Illegal instruction
  slack[0] = slack[1] = slack[2] = 1.1;
  ^~~~~
0x9d13df crash_signal
        ../.././gcc/toplev.c:337
0x9433d4 real_from_string(real_value*, char const*)
        ../.././gcc/real.c:2107
0x943d0b real_from_string3(real_value*, char const*, format_helper)
        ../.././gcc/real.c:2173
0x612b33 interpret_float
        ../.././gcc/c-family/c-lex.c:932
0x613a17 c_lex_with_flags(tree_node**, unsigned int*, unsigned char*, int)
        ../.././gcc/c-family/c-lex.c:432
0x5b1bb0 c_lex_one_token
        ../.././gcc/c/c-parser.c:248
0x5bf2fa c_parser_peek_token(c_parser*)
        ../.././gcc/c/c-parser.c:435
0x5bf2fa c_parser_expr_no_commas
        ../.././gcc/c/c-parser.c:6428
0x5bf16a c_parser_expr_no_commas
        ../.././gcc/c/c-parser.c:6429
0x5bf16a c_parser_expr_no_commas
        ../.././gcc/c/c-parser.c:6429
0x5bf352 c_parser_expression
        ../.././gcc/c/c-parser.c:8588
0x5c0979 c_parser_expression_conv
        ../.././gcc/c/c-parser.c:8621
0x5c987b c_parser_statement_after_labels
        ../.././gcc/c/c-parser.c:5405
0x5cb4f4 c_parser_compound_statement_nostart
        ../.././gcc/c/c-parser.c:4919
0x5cbc0e c_parser_compound_statement
        ../.././gcc/c/c-parser.c:4752
0x5b7534 c_parser_declaration_or_fndef
        ../.././gcc/c/c-parser.c:2125
0x5d4943 c_parser_external_declaration
        ../.././gcc/c/c-parser.c:1468
0x5d53b9 c_parser_translation_unit
        ../.././gcc/c/c-parser.c:1349
0x5d53b9 c_parse_file()
        ../.././gcc/c/c-parser.c:18176
0x6193b3 c_common_parse_file()
        ../.././gcc/c-family/c-opts.c:1107
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.
[Inferior 1 (process 24434) exited with code 01]
(gdb) c
The program is not being run.
(gdb)