https://gcc.gnu.org/bugzilla/show_bug.cgi?id=122248
Bug ID: 122248
Summary: ice in gen_btf_tag_dies, at dwarf2out.cc:13850
Product: gcc
Version: unknown
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: debug
Assignee: unassigned at gcc dot gnu.org
Reporter: dcb314 at hotmail dot com
Target Milestone: ---
Created attachment 62542
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=62542&action=edit
C source code
For the attached C code, compiled with recent gcc trunk,
does this on Raspberry Pi 5:
$ for i in ~/gcc/results.2025*/bin/gcc; do echo $i; $i -c -w -g
CodeGen/attr-btf_tag-diglobalvariable.c; done
/home/dcb/gcc/results.20250930/bin/gcc
/home/dcb/gcc/results.20251004/bin/gcc
/home/dcb/gcc/results.20251007/bin/gcc
/home/dcb/gcc/results.20251010/bin/gcc
CodeGen/attr-btf_tag-diglobalvariable.c:22:8: internal compiler error: in
gen_btf_tag_dies, at dwarf2out.cc:13850
22 | struct t1 g3 __tag2;
| ^~
0x1c1a3ef internal_error(char const*, ...)
../../trunk/gcc/diagnostic-global-context.cc:787
0x2a2f5f fancy_abort(char const*, int, char const*)
../../trunk/gcc/diagnostics/context.cc:1806
0x597683 gen_btf_tag_dies
../../trunk/gcc/dwarf2out.cc:13850
$ ~/gcc/results.20251007/bin/gcc -v 2>&1 | grep exp
gcc version 16.0.0 20251007 (experimental) (f4b60fe6d6a16f54)
$ ~/gcc/results.20251010/bin/gcc -v 2>&1 | grep exp
gcc version 16.0.0 20251010 (experimental) (49ddf362f0a7c1fd)
$
The source code file is from the clang test suite.
