[Bug gas/26850] New: as -g: remove non-executable sections' contribution from DW_AT_ranges

[i at maskray dot me]

https://sourceware.org/bugzilla/show_bug.cgi?id=26850

            Bug ID: 26850
           Summary: as -g: remove non-executable sections' contribution
                    from DW_AT_ranges
           Product: binutils
           Version: unspecified
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: gas
          Assignee: unassigned at sourceware dot org
          Reporter: i at maskray dot me
  Target Milestone: ---

% cat a.s
.section .alloc0,"a"
ret
.section .alloc1,"a"
ret
.section .nonalloc,""
ret

% as -gdwarf-2 a.s -o a.o

% llvm-dwarfdump a.o
a.o:    file format elf64-x86-64

.debug_info contents:
0x00000000: Compile Unit: length = 0x0000001e, format = DWARF32, version =
0x0002, abbr_offset = 0x0000, addr_size = 0x08 (next unit at 0x00000022)

0x0000000b: DW_TAG_compile_unit
              DW_AT_stmt_list   (0x00000000)
              DW_AT_ranges      (0x00000000
                 [0x0000000000000000, 0x0000000000000001)
                 [0x0000000000000000, 0x0000000000000001)
                 [0x0000000000000000, 0x0000000000000001))
              DW_AT_name        ("a.s")
              DW_AT_comp_dir    ("/tmp/c")
              DW_AT_producer    ("GNU AS 2.35.1")
              DW_AT_language    (DW_LANG_Mips_Assembler)

DW_AT_ranges (since DWARF v3; probably ok to have it in -gdwarf-2) probably
should not have contribution from non-executable sections.

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