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C++ PATCH to allow copying of local_specializations

From: Jason Merrill <jason at redhat dot com>
To: gcc-patches List <gcc-patches at gcc dot gnu dot org>
Date: Tue, 29 Aug 2017 14:49:13 -0400
Subject: C++ PATCH to allow copying of local_specializations
Authentication-results: sourceware.org; auth=none

When instantiating a lambda-expression in the new model, we want to
retain the local_specializations from the enclosing function but still
be able to remember specializations local to the lambda and discard
them afterwards.  With this patch a local_specialization_stack object
can start with a copy of the enclosing map.

Tested x86_64-pc-linux-gnu, applying to trunk.

Attachment: lss_copy.diff
Description: Text document

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