https://gcc.gnu.org/bugzilla/show_bug.cgi?id=125629
Bug ID: 125629
Summary: ICE: in gimplify_expr, at gimplify.cc:21195 with
__builtin_bswapg/__builtin_bireverseg() and ternary
operator
Product: gcc
Version: 17.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: zsojka at seznam dot cz
CC: jakub at gcc dot gnu.org
Target Milestone: ---
Host: x86_64-pc-linux-gnu
Target: x86_64-pc-linux-gnu
Created attachment 64640
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=64640&action=edit
reduced testcase
Compiler output:
$ x86_64-pc-linux-gnu-gcc testcase.c
testcase.c: In function 'foo':
testcase.c:6:28: internal compiler error: in gimplify_expr, at
gimplify.cc:21195
6 | __builtin_bitreverseg (c ? : 0u);
| ^
0x2d24d3d internal_error(char const*, ...)
/repo/gcc-trunk/gcc/diagnostic-global-context.cc:787
0xe3d2c7 fancy_abort(char const*, int, char const*)
/repo/gcc-trunk/gcc/diagnostics/context.cc:1813
0x81aef4 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
/repo/gcc-trunk/gcc/gimplify.cc:21195
0x12a501b gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
/repo/gcc-trunk/gcc/gimplify.cc:21165
0x12c5d04 gimplify_cond_expr
/repo/gcc-trunk/gcc/gimplify.cc:5513
0x12a6679 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
/repo/gcc-trunk/gcc/gimplify.cc:20294
0x12a7ca6 gimplify_stmt(tree_node**, gimple**)
/repo/gcc-trunk/gcc/gimplify.cc:8538
0x12c5b6f gimplify_cond_expr
/repo/gcc-trunk/gcc/gimplify.cc:5473
0x12a6679 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
/repo/gcc-trunk/gcc/gimplify.cc:20294
0x12bb561 gimplify_expr
/repo/gcc-trunk/gcc/gimplify.cc:21449
0x12bb561 gimplify_arg(tree_node**, gimple**, unsigned long, bool)
/repo/gcc-trunk/gcc/gimplify.cc:3752
0x12bbf20 gimplify_call_expr
/repo/gcc-trunk/gcc/gimplify.cc:4766
0x12a6c2d gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
/repo/gcc-trunk/gcc/gimplify.cc:20309
0x12a7ca6 gimplify_stmt(tree_node**, gimple**)
/repo/gcc-trunk/gcc/gimplify.cc:8538
0x12a92a2 gimplify_bind_expr
/repo/gcc-trunk/gcc/gimplify.cc:1529
0x12a64de gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
/repo/gcc-trunk/gcc/gimplify.cc:20541
0x12cafd6 gimplify_stmt(tree_node**, gimple**)
/repo/gcc-trunk/gcc/gimplify.cc:8538
0x12cafd6 gimplify_body(tree_node*, bool)
/repo/gcc-trunk/gcc/gimplify.cc:21647
0x12cb485 gimplify_function_tree(tree_node*)
/repo/gcc-trunk/gcc/gimplify.cc:21856
0x106eee7 cgraph_node::analyze()
/repo/gcc-trunk/gcc/cgraphunit.cc:691
/repo/gcc-trunk/binary-trunk-20260605172729-g517d45af94f-checking-yes-rtl-df-extra-nobootstrap-amd64/bin/../libexec/gcc/x86_64-pc-linux-gnu/17.0.0/cc1
-quiet -iprefix
/repo/gcc-trunk/binary-trunk-20260605172729-g517d45af94f-checking-yes-rtl-df-extra-nobootstrap-amd64/bin/../lib/gcc/x86_64-pc-linux-gnu/17.0.0/
testcase.c -quiet -dumpdir a- -dumpbase testcase.c -dumpbase-ext .c
-mtune=generic -march=x86-64 -o /tmp/cciiqyMs.s
Please submit a full bug report, with preprocessed source (by using
-freport-bug).
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
