From 7a1606168f60622f73a7dd90778e2a148a2c520c Mon Sep 17 00:00:00 2001 From: mpolacek Date: Mon, 6 May 2019 17:08:08 +0000 Subject: [PATCH] PR c++/90265 - ICE with generic lambda. * pt.c (tsubst_copy_and_build): Use a dedicated variable for the last element in the vector. * g++.dg/cpp1y/lambda-generic-90265.C: New test. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-9-branch@270919 138bc75d-0d04-0410-961f-82ee72b054a4 --- gcc/cp/ChangeLog | 6 ++++++ gcc/cp/pt.c | 3 ++- gcc/testsuite/ChangeLog | 5 +++++ gcc/testsuite/g++.dg/cpp1y/lambda-generic-90265.C | 4 ++++ 4 files changed, 17 insertions(+), 1 deletion(-) create mode 100644 gcc/testsuite/g++.dg/cpp1y/lambda-generic-90265.C --- a/gcc/cp/ChangeLog +++ b/gcc/cp/ChangeLog @@ -1,3 +1,9 @@ +2019-05-06 Marek Polacek + + PR c++/90265 - ICE with generic lambda. + * pt.c (tsubst_copy_and_build): Use a dedicated variable for the last + element in the vector. + 2019-05-03 Release Manager * GCC 9.1.0 released. --- a/gcc/cp/pt.c +++ b/gcc/cp/pt.c @@ -18881,7 +18881,8 @@ tsubst_copy_and_build (tree t, if (thisarg) { /* Shift the other args over to make room. */ - vec_safe_push (call_args, (*call_args)[nargs-1]); + tree last = (*call_args)[nargs - 1]; + vec_safe_push (call_args, last); for (int i = nargs-1; i > 0; --i) (*call_args)[i] = (*call_args)[i-1]; (*call_args)[0] = thisarg;