Compiling the example below with g++ from snapshot 4.1.0 20050716 causes
the following error message:
> g++ -O2 ICE_vrp.cpp
ICE_vrp.cpp: In function 'int main()':
ICE_vrp.cpp:17: internal compiler error: in vrp_evaluate_conditional, at
tree-vrp.c:3048
Version 3.4.4 correctly creates an executeable that returns exit code 0.
------------------------------------------------------------ ICE_vrp.cpp
class X {
public:
int mfunc1 () {
return 1;
}
int mfunc2 () {
return 2;
}
X (int a, int b) { }
};
typedef int (X::*memfunc_p_t) ();
memfunc_p_t mf_arr[2] = { &X::mfunc1, &X::mfunc2 };
int
main ()
{
// Get pntr to the array of pointers to member-funcs
memfunc_p_t (*mf_arr_p)[2] = &mf_arr;
// Compare indirect against direct access to an array element
if ((*mf_arr_p)[0] != mf_arr[0])
return 1;
return 0;
}
--
Summary: ICE in vrp_evaluate_conditional
Product: gcc
Version: 4.1.0
Status: UNCONFIRMED
Severity: critical
Priority: P2
Component: c++
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: paul dot woegerer at nsc dot com
CC: gcc-bugs at gcc dot gnu dot org
GCC build triplet: i686-pc-linux-gnu
GCC host triplet: i686-pc-linux-gnu
GCC target triplet: i686-pc-linux-gnu
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22550
