https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103038
Bug ID: 103038
Summary: ICE in set_mem_attributes_minus_bitpos, at
emit-rtl.c:2092 since r12-4829-g429e3b7d8bf6609d
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: marxin at gcc dot gnu.org
CC: qinzhao at gcc dot gnu.org
Target Milestone: ---
The following fails:
$ cat warn.cpp
struct S;
void test() { int(S::*PtrMem); }
$ g++ warn.cpp -ftrivial-auto-var-init=pattern -c
during RTL pass: expand
warn.cpp: In function ‘void test()’:
warn.cpp:2:23: internal compiler error: in set_mem_attributes_minus_bitpos, at
emit-rtl.c:2092
2 | void test() { int(S::*PtrMem); }
| ^~~~~~
0x7ca0cb set_mem_attributes_minus_bitpos(rtx_def*, tree_node*, int,
poly_int<1u, long>)
/home/marxin/Programming/gcc/gcc/emit-rtl.c:2092
0xe71a0c expand_assignment(tree_node*, tree_node*, bool)
/home/marxin/Programming/gcc/gcc/expr.c:5658
0xd31b47 expand_call_stmt
/home/marxin/Programming/gcc/gcc/cfgexpand.c:2749
0xd31b47 expand_gimple_stmt_1
/home/marxin/Programming/gcc/gcc/cfgexpand.c:3876
0xd31b47 expand_gimple_stmt
/home/marxin/Programming/gcc/gcc/cfgexpand.c:4040
0xd37a84 expand_gimple_basic_block
/home/marxin/Programming/gcc/gcc/cfgexpand.c:6085
0xd39ca7 execute
/home/marxin/Programming/gcc/gcc/cfgexpand.c:6811
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.
