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PR middle-end/31490 * output.h (SECTION_RELRO): Define. (SECTION_MACH_DEP): Adjust. (get_variable_section): New prototype. * varpool.c (varpool_finalize_named_section_flags): New function. (varpool_assemble_pending_decls): Call it. * cgraph.h (varpool_finalize_named_section_flags): New prototype. * cgraphunit.c (cgraph_output_in_order): Call varpool_finalize_named_section_flags. * varasm.c (get_section): Allow section flags conflicts between relro and read-only sections if the section hasn't been declared yet. Set SECTION_OVERRIDE after diagnosing section type conflict. (get_variable_section): No longer static. (default_section_type_flags): Use SECTION_WRITE | SECTION_RELRO for readonly sections that need relocations. (decl_readonly_section_1): New function. (decl_readonly_section): Use it. Revert: 2010-11-17 Dinar Temirbulatov <dtemirbulatov@gmail.com> Steve Ellcey <sje@cup.hp.com> PR middle-end/31490 * varasm.c (categorize_decl_for_section): Ignore reloc_rw_mask if section attribute used. * gcc.dg/pr31490-2.c: New test. * gcc.dg/pr31490-3.c: New test. * gcc.dg/pr31490-4.c: New test. From-SVN: r169804
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