https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113013
Bug ID: 113013
Summary: [12/13/14 regression] ICE in fold_convert_loc with
-fsanitize=undefined
Product: gcc
Version: 14.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: sjames at gcc dot gnu.org
Target Milestone: ---
Created attachment 56876
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=56876&action=edit
reduced.i
Hit this when reducing PR113012.
```
$ gcc -c /tmp/foo.c -O2 -fsanitize=undefined
during GIMPLE pass: objsz
/tmp/foo.c: In function ‘miZeroLine_list_len’:
/tmp/foo.c:9:6: internal compiler error: in fold_convert_loc, at
fold-const.cc:2602
9 | void miZeroLine_list_len() {
| ^~~~~~~~~~~~~~~~~~~
0x55eb4274eca3 fold_convert_loc(unsigned int, tree_node*, tree_node*)
/usr/src/debug/sys-devel/gcc-14.0.0_pre20231210/gcc-14-20231210/gcc/fold-const.cc:2602
0x55eb446f7d13 alloc_object_size
/usr/src/debug/sys-devel/gcc-14.0.0_pre20231210/gcc-14-20231210/gcc/tree-object-size.cc:811
0x55eb446f7d13 call_object_size
/usr/src/debug/sys-devel/gcc-14.0.0_pre20231210/gcc-14-20231210/gcc/tree-object-size.cc:1339
0x55eb446f7d13 collect_object_sizes_for
/usr/src/debug/sys-devel/gcc-14.0.0_pre20231210/gcc-14-20231210/gcc/tree-object-size.cc:1779
0x55eb4418920f compute_builtin_object_size(tree_node*, int, tree_node**)
/usr/src/debug/sys-devel/gcc-14.0.0_pre20231210/gcc-14-20231210/gcc/tree-object-size.cc:1194
0x55eb43fab777 fold_builtin_object_size
/usr/src/debug/sys-devel/gcc-14.0.0_pre20231210/gcc-14-20231210/gcc/builtins.cc:11556
0x55eb43fab777 fold_builtin_2
/usr/src/debug/sys-devel/gcc-14.0.0_pre20231210/gcc-14-20231210/gcc/builtins.cc:10575
0x55eb43fab777 fold_builtin_n(unsigned int, tree_node*, tree_node*,
tree_node**, int, bool) [clone .isra.0]
/usr/src/debug/sys-devel/gcc-14.0.0_pre20231210/gcc-14-20231210/gcc/builtins.cc:10687
0x55eb440cd22d dynamic_object_sizes_execute_one
/usr/src/debug/sys-devel/gcc-14.0.0_pre20231210/gcc-14-20231210/gcc/tree-object-size.cc:2078
0x55eb440cd22d object_sizes_execute
/usr/src/debug/sys-devel/gcc-14.0.0_pre20231210/gcc-14-20231210/gcc/tree-object-size.cc:2140
Please submit a full bug report, with preprocessed source (by using
-freport-bug).
Please include the complete backtrace with any bug report.
See <https://bugs.gentoo.org/> for instructions.
```
