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