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* [Bug c/100792] New: ICE: gimplify_expr, at gimplify.c:14879
@ 2021-05-27  5:25 cnsun at uwaterloo dot ca
  2021-05-27  8:33 ` [Bug c/100792] " ebotcazou at gcc dot gnu.org
                   ` (3 more replies)
  0 siblings, 4 replies; 5+ messages in thread
From: cnsun at uwaterloo dot ca @ 2021-05-27  5:25 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100792

            Bug ID: 100792
           Summary: ICE: gimplify_expr, at gimplify.c:14879
           Product: gcc
           Version: tree-ssa
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
          Assignee: unassigned at gcc dot gnu.org
          Reporter: cnsun at uwaterloo dot ca
  Target Milestone: ---

$ gcc-trunk -v
Using built-in specs.
COLLECT_GCC=gcc-trunk
COLLECT_LTO_WRAPPER=/scratch/software/gcc-trunk/libexec/gcc/x86_64-pc-linux-gnu/12.0.0/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: /tmp/tmp.SQC1E9RsGE-gcc-builder/gcc/configure
--enable-languages=c,c++,lto --enable-checking-yes --enable-multiarch
--prefix=/scratch/software/gcc-trunk --disable-bootstrap
Thread model: posix
Supported LTO compression algorithms: zlib
gcc version 12.0.0 20210527 (experimental) [master revision
:d03f010a0:01c59ef2e5a59b44d2b662361196abb6be872a20] (GCC)

$ cat mutant.c
ldt_add_entry() {
  __asm__("" : : "m"(({ __asm__(""); })));
}

$ gcc-trunk  mutant.c
mutant.c:1:1: warning: return type defaults to ‘int’ [-Wimplicit-int]
    1 | ldt_add_entry() {
      | ^~~~~~~~~~~~~
mutant.c: In function ‘ldt_add_entry’:
mutant.c:2:25: internal compiler error: in gimplify_expr, at gimplify.c:14879
    2 |   __asm__("" : : "m"(({ __asm__(""); })));
      |                      ~~~^~~~~~~~~~~~~~~
0x6df932 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
        /tmp/tmp.SQC1E9RsGE-gcc-builder/gcc/gcc/gimplify.c:14879
0xc4955d gimplify_asm_expr
        /tmp/tmp.SQC1E9RsGE-gcc-builder/gcc/gcc/gimplify.c:6512
0xc3f245 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
        /tmp/tmp.SQC1E9RsGE-gcc-builder/gcc/gcc/gimplify.c:14298
0xc41aaa gimplify_stmt(tree_node**, gimple**)
        /tmp/tmp.SQC1E9RsGE-gcc-builder/gcc/gcc/gimplify.c:6883
0xc422de gimplify_bind_expr
        /tmp/tmp.SQC1E9RsGE-gcc-builder/gcc/gcc/gimplify.c:1424
0xc3e513 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
        /tmp/tmp.SQC1E9RsGE-gcc-builder/gcc/gcc/gimplify.c:14166
0xc41aaa gimplify_stmt(tree_node**, gimple**)
        /tmp/tmp.SQC1E9RsGE-gcc-builder/gcc/gcc/gimplify.c:6883
0xc430a3 gimplify_body(tree_node*, bool)
        /tmp/tmp.SQC1E9RsGE-gcc-builder/gcc/gcc/gimplify.c:15210
0xc434f1 gimplify_function_tree(tree_node*)
        /tmp/tmp.SQC1E9RsGE-gcc-builder/gcc/gcc/gimplify.c:15364
0xa85717 cgraph_node::analyze()
        /tmp/tmp.SQC1E9RsGE-gcc-builder/gcc/gcc/cgraphunit.c:670
0xa88641 analyze_functions
        /tmp/tmp.SQC1E9RsGE-gcc-builder/gcc/gcc/cgraphunit.c:1234
0xa89111 symbol_table::finalize_compilation_unit()
        /tmp/tmp.SQC1E9RsGE-gcc-builder/gcc/gcc/cgraphunit.c:2508
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.

^ permalink raw reply	[flat|nested] 5+ messages in thread
end of thread, other threads:[~2021-12-26 10:48 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-05-27  5:25 [Bug c/100792] New: ICE: gimplify_expr, at gimplify.c:14879 cnsun at uwaterloo dot ca
2021-05-27  8:33 ` [Bug c/100792] " ebotcazou at gcc dot gnu.org
2021-05-27 17:37 ` jsm28 at gcc dot gnu.org
2021-12-26 10:47 ` pinskia at gcc dot gnu.org
2021-12-26 10:48 ` pinskia at gcc dot gnu.org

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