1/* 2 Origin: PR debug/45024 3 { dg-options "-g -dA -fno-merge-debug-strings -fno-debug-types-section" } 4 { dg-do compile } 5*/ 6 7struct S { 8 template<typename Z> struct T { }; 9}; 10 11S::T<int> tval; 12 13/* 14We want to express that the DIE of S::T<int> must be a child of the DIE of S, like in assembly this output: 15 16 .uleb128 0x2 # (DIE (0x9e) DW_TAG_structure_type) 17 .ascii "S\0" # DW_AT_name 18 .byte 0x1 # DW_AT_byte_size 19 .byte 0x1 # DW_AT_decl_file (../../prtests/test-PR45024.cc) 20 .byte 0x1 # DW_AT_decl_line 21 .long 0xbc # DW_AT_sibling 22 .uleb128 0x3 # (DIE (0xa8) DW_TAG_structure_type) 23 .ascii "T<int>\0" # DW_AT_name 24 .byte 0x1 # DW_AT_byte_size 25 .byte 0x1 # DW_AT_decl_file (../../prtests/test-PR45024.cc) 26 .byte 0x2 # DW_AT_decl_line 27 .uleb128 0x4 # (DIE (0xb3) DW_TAG_template_type_param) 28 .ascii "Z\0" # DW_AT_name 29 .long 0xbc # DW_AT_type 30 .byte 0 # end of children of DIE 0xa8 31 .byte 0 # end of children of DIE 0x9e 32 33Hence the slightly odd regexp: 34 35 { dg-final { scan-assembler "\[^\n\r\]*\\(DIE\[^\n\r\]*DW_TAG_structure_type\\)\[\n\r\]+\[^\n\r\]*\"S\\\\0\"\[ \t\]+\(\[@|#;!\]+|//?\)\[ \t\]+DW_AT_name\[\n\r\]+\(.*\)?\\(DIE\[^\n\r\]*DW_TAG_structure_type\\)\[\n\r\]+\[^\n\r\]*\"T<int>\\\\0\"\[ \t\]+\(.*\)?\\(DIE\[^\n\r\]*DW_TAG_template_type_param\\)\[\n\r\]+\[^\n\r\]*\[\n\r\]+\[^\n\r\]*\[\n\r\]+\[^\n\r\]*\(\[@|#;!\]+|//?\)\[ \t\]+end of children of DIE\[^\n\r\]*\[\n\r\]+\[^\n\r\]*end of children of DIE\[^\n\r\]*" } } 36 37 */ 38