https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92007
Bug ID: 92007
Summary: [9/10 Regression] ICE: verify_flow_info failed (error:
EH edge crosses section boundary in bb 7)
Product: gcc
Version: 10.0
Status: UNCONFIRMED
Keywords: EH, ice-checking, ice-on-valid-code
Severity: normal
Priority: P3
Component: rtl-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: asolokha at gmx dot com
Target Milestone: ---
g++-10.0.0-alpha20190929 snapshot (r276272) ICEs when compiling the following
testcase w/ -O2 -fno-tree-dominator-opts -fno-tree-forwprop --param
max-cse-insns=0:
void
sb (int *);
class d4 {
public:
~d4();
void gb ();
int op () { return no; }
int wl () { return tf; }
bool ee () try { gb (); } catch (...) { return false; }
bool b1 () { return (tf == no) ? false : ee (); }
private:
int no, tf;
};
void
hs (int *v9)
{
d4 p6;
p6.gb ();
if (p6.op () > p6.wl ())
{
p6.b1 ();
sb (v9);
}
}
% g++-10.0.0-alpha20190929 -O2 -fno-tree-dominator-opts -fno-tree-forwprop
--param max-cse-insns=0 -w -c u10jac3e.cc
u10jac3e.cc: In function 'void hs(int*)':
u10jac3e.cc:28:1: error: EH edge crosses section boundary in bb 7
28 | }
| ^
during RTL pass: postreload_jump
u10jac3e.cc:28:1: internal compiler error: verify_flow_info failed
0xb5785a verify_flow_info()
/var/tmp/portage/sys-devel/gcc-10.0.0_alpha20190929/work/gcc-10-20190929/gcc/cfghooks.c:269
0x17969c6 checking_verify_flow_info
/var/tmp/portage/sys-devel/gcc-10.0.0_alpha20190929/work/gcc-10-20190929/gcc/cfghooks.h:212
0x17969c6 try_optimize_cfg
/var/tmp/portage/sys-devel/gcc-10.0.0_alpha20190929/work/gcc-10-20190929/gcc/cfgcleanup.c:3010
0x17969c6 cleanup_cfg(int)
/var/tmp/portage/sys-devel/gcc-10.0.0_alpha20190929/work/gcc-10-20190929/gcc/cfgcleanup.c:3175
0x1797843 execute
/var/tmp/portage/sys-devel/gcc-10.0.0_alpha20190929/work/gcc-10-20190929/gcc/cfgcleanup.c:3315
