158cccea0d
As mentioned in the PR, we don't guarantee DECL_UID to be the same between corresponding decls in -g and -g0 builds, -g can create more decls and all that is guaranteed is that the DECL_UIDs of the corresponding decls compare the same. The following testcase gets a -fcompare-debug failure because these functions use DECL_UID as the number in ASM_FORMAT_PRIVATE_NAME. The patch fixes it by using just a sequential number there instead. I don't think this can be called during PCH writing, this only happens for non-public decls and the C/C++ FEs shouldn't mangling those at that point (furthermore C++ FE uses a different set_decl_assembler_name hook and this one is something only the gimplifier calls on C.NNNN temporaries. 2020-03-25 Jakub Jelinek <jakub@redhat.com> PR c++/94223 * langhooks.c (lhd_set_decl_assembler_name): Use a static ulong counter instead of DECL_UID. * lto-lang.c (lto_set_decl_assembler_name): Use a static ulong counter instead of DECL_UID. * g++.dg/opt/pr94223.C: New test. |
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