[Bug ld/23372] New: Empty GNU_PROPERTY_X86_ISA_1_NEEDED/GNU_PROPERTY_X86_ISA_1_USED aren't removed

[hjl.tools at gmail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=23372

            Bug ID: 23372
           Summary: Empty
                    GNU_PROPERTY_X86_ISA_1_NEEDED/GNU_PROPERTY_X86_ISA_1_U
                    SED aren't removed
           Product: binutils
           Version: 2.32 (HEAD)
            Status: NEW
          Severity: normal
          Priority: P2
         Component: ld
          Assignee: unassigned at sourceware dot org
          Reporter: hjl.tools at gmail dot com
  Target Milestone: ---
            Target: i386,x86-64

address@hidden property-5]$ cat x.S
#if __SIZEOF_PTRDIFF_T__  == 8
# define ALIGN 3
#elif __SIZEOF_PTRDIFF_T__  == 4
# define ALIGN 2
#endif

        .section ".note.gnu.property", "a"
        .p2align ALIGN
        .long 1f - 0f           /* name length.  */
        .long 3f - 1f           /* data length.  */
        /* NT_GNU_PROPERTY_TYPE_0 */
        .long 5                 /* note type.  */
0:
        .asciz "GNU"            /* vendor name.  */
1:
        .p2align ALIGN
        /* GNU_PROPERTY_STACK_SIZE */
        .long 1                 /* pr_type.  */
        .long 5f - 4f           /* pr_datasz.  */
4:
        .dc.a 0x600000          /* Stack size.  */
5:
        .p2align ALIGN
        /* GNU_PROPERTY_X86_ISA_1_USED */
        .long 0xc0000000        /* pr_type.  */
        .long 5f - 4f           /* pr_datasz.  */
4:
        .long 0
5:
        .p2align ALIGN
        /* GNU_PROPERTY_X86_ISA_1_NEEDED */
        .long 0xc0000001        /* pr_type.  */
        .long 5f - 4f           /* pr_datasz.  */
4:
        .long 0
5:
        .p2align ALIGN
3:
address@hidden property-5]$ gcc -c x.S
address@hidden property-5]$ ld -r x.o
address@hidden property-5]$ readelf -n a.out 

Displaying notes found in: .note.gnu.property
  Owner                 Data size       Description
  GNU                  0x00000030       NT_GNU_PROPERTY_TYPE_0
      Properties: stack size: 0x600000
        x86 ISA used: 
        x86 ISA needed: 
address@hidden property-5]$

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