https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84767
Bug ID: 84767
Summary: [6/7/8 Regression] ICE with pointer to VLA
Product: gcc
Version: 8.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: reichelt at gcc dot gnu.org
Target Milestone: ---
The following valid testcase triggers an ICE since GCC 4.9.0:
========================
struct A
{
A(int);
};
A::A(int i)
{
int (*x)[1][i];
(*x)[0][0] = 0;
}
========================
bug.cc: In constructor 'A::A(int)':
bug.cc:6:1: error: Local declaration from a different function
A::A(int i)
^
i
bug.cc:8:16: note: in statement
int (*x)[1][i];
^
_17 = (ssizetype) i;
during GIMPLE pass: cfg
bug.cc:6:1: internal compiler error: verify_gimple failed
A::A(int i)
^
0xefdae3 verify_gimple_in_cfg(function*, bool)
../../gcc/gcc/tree-cfg.c:5579
0xde4f0f execute_function_todo
../../gcc/gcc/passes.c:1994
0xde5e5e execute_todo
../../gcc/gcc/passes.c:2048
Please submit a full bug report, [etc.]
