[Bug c++/104142] [9/10 Regression] Spurious warning unused-variable on const static variable and defaulted constructor
cvs-commit at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Thu May 12 21:25:12 GMT 2022
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104142
--- Comment #9 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-10 branch has been updated by Jason Merrill
<jason@gcc.gnu.org>:
https://gcc.gnu.org/g:cfa3a04be981f63af41f9a960df06e84c2634c5f
commit r10-10729-gcfa3a04be981f63af41f9a960df06e84c2634c5f
Author: Jason Merrill <jason@redhat.com>
Date: Mon Apr 11 14:50:14 2022 -0400
c++: rodata and defaulted ctor [PR104142]
Trivial initialization shouldn't bump a variable out of .rodata; if the
result of build_aggr_init is an empty STATEMENT_LIST, throw it away.
PR c++/104142
gcc/cp/ChangeLog:
* decl.c (check_initializer): Check TREE_SIDE_EFFECTS.
gcc/testsuite/ChangeLog:
* g++.dg/opt/const7.C: New test.
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