https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97041
Bug ID: 97041
Summary: ICE during RTL pass: sched_fusion: in operator[], at
vec.h:880
Product: gcc
Version: 11.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: rtl-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: vvinayag at arm dot com
Target Milestone: ---
Internal Compiler Error when compiling glibc/stdio-common/vfprintf-internal.c.
The build configuration is:
BUILD: x86_64/linux
HOST: x86_64/linux
TARGET: aarch64-none-linux-gnu
OR
BUILD: aarch64-none-linux-gnu
HOST: aarch64-none-linux-gnu
TARGET: aarch64-none-linux-gnu
during RTL pass: sched_fusion
vfprintf-internal.c: In function ‘__vfprintf_internal’:
vfprintf-internal.c:1693:1: internal compiler error: in operator[], at
vec.h:880
1693 | }
| ^
0x8136a9 vec<basic_block_def*, va_gc, vl_embed>::operator[](unsigned int)
/src/gcc/gcc/vec.h:880
0x8136a9 pre_and_rev_post_order_compute_fn(function*, int*, int*, bool)
/src/gcc/gcc/cfganal.c:1036
0x813790 pre_and_rev_post_order_compute(int*, int*, bool)
/src/gcc/gcc/cfganal.c:1050
0x7c27fe init_alias_analysis()
/src/gcc/gcc/alias.c:3392
0x18a7416 sched_init()
/src/gcc/gcc/haifa-sched.c:7326
0x18a8b50 haifa_sched_init()
/src/gcc/gcc/haifa-sched.c:7363
0xcd56bd schedule_insns()
/src/gcc/gcc/sched-rgn.c:3514
0xcd5f21 rest_of_handle_sched_fusion
/src/gcc/gcc/sched-rgn.c:3757
0xcd5f21 execute
/src/gcc/gcc/sched-rgn.c:3932
GCC SHA d9b054d56b052fb01c9a667c95f80c783f0cf0c7 from master
