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From: "cvs-commit at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug d/108842] Cannot use enum array with -fno-druntime
Date: Fri, 07 Jul 2023 19:25:01 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D108842

--- Comment #3 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-12 branch has been updated by Iain Buclaw
<ibuclaw@gcc.gnu.org>:

https://gcc.gnu.org/g:0444c2065aef569aa16e43cffc564c202a59af33

commit r12-9759-g0444c2065aef569aa16e43cffc564c202a59af33
Author: Iain Buclaw <ibuclaw@gdcproject.org>
Date:   Fri Jul 7 21:06:07 2023 +0200

    d: Fix PR 108842: Cannot use enum array with -fno-druntime

    Restrict the generating of CONST_DECLs for D manifest constants to just
    scalars without pointers.  It shouldn't happen that a reference to a
    manifest constant has not been expanded within a function body during
    codegen, but it has been found to occur in older versions of the D
    front-end (PR98277), so if the decl of a non-scalar constant is
    requested, just return its initializer as an expression.

            PR d/108842

    gcc/d/ChangeLog:

            * decl.cc (DeclVisitor::visit (VarDeclaration *)): Only emit sc=
alar
            manifest constants.
            (get_symbol_decl): Don't generate CONST_DECL for non-scalar
manifest
            constants.
            * imports.cc (ImportVisitor::visit (VarDeclaration *)): New met=
hod.

    gcc/testsuite/ChangeLog:

            * gdc.dg/pr98277.d: Add more tests.
            * gdc.dg/pr108842.d: New test.

    (cherry picked from commit f934c5753849f7c48c6a3abfcd73b8f6008e8371)=