https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88761
Bug ID: 88761 Summary: ICE in tsubst_copy, at cp/pt.c:15478 when chaining lambda calls & fold-expressions Product: gcc Version: 8.2.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: joel.falcou at lri dot fr Target Milestone: --- The following code: https://godbolt.org/z/RFZ_k6 compiles fine on g++ 7.x but fails in all g++ 8.x including trunk with an ICE in tsubst_copy, at cp/pt.c:15478 Unrolling various fold-expression by hand has no effect, nor does capture of the variable differently (value, mutable lambda etc...)