https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69315
Bug ID: 69315
Summary: ICE in finish_function with constexpr and templates
Product: gcc
Version: 6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: gerrit.los at gmail dot com
Target Milestone: ---
Created attachment 37373
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=37373&action=edit
reduced test case (27 lines)
The attached reduced test case fails with an ICE in finish_function
with current GCC.
G++ gcc version 5.3.1 20160101 (Debian 5.3.1-5) works fine.
GNU C++11 (GCC) version 6.0.0 20160116 (experimental) (x86_64-pc-linux-gnu)
compiled by GNU C version 6.0.0 20160116 (experimental), GMP version
6.0.0, MPFR version 3.1.3-p5, MPC version 1.0.2, isl version none
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
GNU C++11 (GCC) version 6.0.0 20160116 (experimental) (x86_64-pc-linux-gnu)
compiled by GNU C version 6.0.0 20160116 (experimental), GMP version
6.0.0, MPFR version 3.1.3-p5, MPC version 1.0.2, isl version none
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
Compiler executable checksum: 902ad622abb081912322ce9873f62a84
iter.C.i: In instantiation of ‘constexpr bool operator==(Iter<C1>, Iter<C2>)
[with bool C1 = true; bool C2 = true; bool <anonymous> = true]’:
iter.C.i:27:1: required from ‘constexpr bool operator!=(Iter<C1>, Iter<C2>)
[with bool C1 = true; bool C2 = true; bool <anonymous> = true]’
iter.C.i:16:18: required from here
iter.C.i:23:1: internal compiler error: in finish_function, at cp/decl.c:14508
