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File gcc9-pr91307.patch of Package Gcc9
2019-08-20 Richard Biener <rguenther@suse.de> PR lto/91307 * ipa.c (cgraph_build_static_cdtor_1): Use names not recognizable by collect2 when targetm.have_ctors_dtors which avoids dragging in temporary filenames from LTO input objects. Index: gcc/ipa.c =================================================================== --- gcc/ipa.c (revision 274536) +++ gcc/ipa.c (working copy) @@ -836,13 +836,18 @@ cgraph_build_static_cdtor_1 (char which, /* The priority is encoded in the constructor or destructor name. collect2 will sort the names and arrange that they are called at program startup. */ - if (final) - sprintf (which_buf, "%c_%.5d_%d", which, priority, counter++); + if (!targetm.have_ctors_dtors && final) + { + sprintf (which_buf, "%c_%.5d_%d", which, priority, counter++); + name = get_file_function_name (which_buf); + } else - /* Proudce sane name but one not recognizable by collect2, just for the - case we fail to inline the function. */ - sprintf (which_buf, "sub_%c_%.5d_%d", which, priority, counter++); - name = get_file_function_name (which_buf); + { + /* Proudce sane name but one not recognizable by collect2, just for the + case we fail to inline the function. */ + sprintf (which_buf, "_sub_%c_%.5d_%d", which, priority, counter++); + name = get_identifier (which_buf); + } decl = build_decl (input_location, FUNCTION_DECL, name, build_function_type_list (void_type_node, NULL_TREE));