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Subject: [Bug other/99496] [11 regression] g++.dg/modules/xtreme-header-3_c.C
 ICEs after r11-7557
Date: Tue, 16 Mar 2021 11:37:41 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D99496

--- Comment #14 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Nathan Sidwell <nathan@gcc.gnu.org>:

https://gcc.gnu.org/g:7b900dca607dceaae2db372365f682a4979c7826

commit r11-7687-g7b900dca607dceaae2db372365f682a4979c7826
Author: Nathan Sidwell <nathan@acm.org>
Date:   Mon Mar 15 11:25:46 2021 -0700

    c++: Incorrect type equivalence [PR 99496]

    This bug was caused by not marking dependent template aliases
    correctly -- these things look like typedefs, but are not
    (necessarily) equivalent to the canonical type.  We need to record that.

            PR c++/99496
            gcc/cp/
            * module.cc (trees_out::decl_value): Adjust typedef streaming,
            indicate whether it is a dependent alias.
            (trees_in::decl_value): Likewise.  Set as dependent alias, if it
            is one.
            gcc/testsuite/
            * g++.dg/modules/pr99496_a.H: New.
            * g++.dg/modules/pr99496_b.C: New.=