a2f32550a0
cp_finish_decl avoids setting TREE_READONLY on TREE_STATIC variables that have non-constant construction or destruction, but -fmerge-all-constants was converting an automatic variable to static while leaving TREE_READONLY set. Fixed by clearing the flag in cp_finish_decl in the presence of -fmerge-all-constants. gcc/cp/ChangeLog 2020-05-01 Jason Merrill <jason@redhat.com> PR c++/91529 * decl.c (cp_finish_decl): Also clear TREE_READONLY if -fmerge-all-constants.
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