https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105188
Bug ID: 105188
Summary: ICE in rtl_verify_bb_pointers, at cfgrtl.cc:2829
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: gs...@t-online.de
Target Milestone: ---
Affects versions down to at least r5, at -O1+ :
(gcc configured with --enable-checking=yes)
$ cat z1.cc
typedef struct { char c[0x40000000]; } s;
void f (s);
int g (s *x)
{
f (*x);
}
$ g++-12-20220403 -c z1.cc -O2
z1.cc: In function 'int g(s*)':
z1.cc:6:1: warning: no return statement in function returning non-void
[-Wreturn-type]
6 | }
| ^
z1.cc:5:5: sorry, unimplemented: passing too large argument on stack
5 | f (*x);
| ~~^~~~
during RTL pass: expand
z1.cc:6:1: internal compiler error: Segmentation fault
6 | }
| ^
0x10d3b0f crash_signal
../../gcc/toplev.cc:322
0xb90233 rtl_verify_bb_pointers
../../gcc/cfgrtl.cc:2829
0xb90233 rtl_verify_flow_info_1
../../gcc/cfgrtl.cc:2881
0xb90de2 rtl_verify_flow_info
../../gcc/cfgrtl.cc:3126
0xb7028a verify_flow_info()
../../gcc/cfghooks.cc:282
0x1e1e243 checking_verify_flow_info
../../gcc/cfghooks.h:214
0x1e1e243 try_optimize_cfg
../../gcc/cfgcleanup.cc:2980
0x1e1e2e3 cleanup_cfg(int)
../../gcc/cfgcleanup.cc:3143
0xb6d1c6 execute
../../gcc/cfgexpand.cc:6971
