https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80415
Bug ID: 80415
Summary: [7 Regression] bogus "invalid initialization of
reference" error
Product: gcc
Version: 7.0.1
Status: UNCONFIRMED
Keywords: rejects-valid
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: trippels at gcc dot gnu.org
Target Milestone: ---
LLVM trunk doesn't build anymore with gcc-7:
% cat Arg.ii
struct A {
A(int, int, const int (&)[0] = {});
};
A fn1() { return {0, 0}; }
% g++ -c Arg.ii
Arg.ii: In function ‘A fn1()’:
Arg.ii:4:23: error: invalid initialization of reference of type ‘const int
(&)[0]’ from expression of type ‘const int [0]’
A fn1() { return {0, 0}; }
^
Arg.ii:2:3: note: in passing argument 3 of ‘A::A(int, int, const int (&)[0])’
A(int, int, const int (&)[0] = {});
^
