[Bug ld/23929] New: Missing .note.gnu.property with -flto

[hjl.tools at gmail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=23929

            Bug ID: 23929
           Summary: Missing .note.gnu.property with -flto
           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: ---

address@hidden tmp]$ cat x.c
#include <stdio.h>

int
main ()
{
  printf ("hello\n");
}
address@hidden tmp]$ gcc x.c -Wa,-mx86-used-note=yes
address@hidden tmp]$ readelf -n a.out  | head
readelf: Warning: Gap in build notes detected from 0x401127 to 0x40113f

Displaying notes found in: .note.gnu.property
  Owner                 Data size       Description
  GNU                  0x00000028       NT_GNU_PROPERTY_TYPE_0
      Properties: by linker 
        x86 ISA used: <None>
        x86 feature used: x86

Displaying notes found in: .note.gnu.build-id
  Owner                 Data size       Description
address@hidden tmp]$ gcc x.c -Wa,-mx86-used-note=yes -flto
address@hidden tmp]$ readelf -n a.out  | head

readelf: Warning: Displaying notes found in: .note.gnu.build-id
Gap in build notes detected from 0x401127 to 0x40113f
  Owner                 Data size       Description
  GNU                  0x00000014       NT_GNU_BUILD_ID (unique build ID
bitstring)
    Build ID: 6dd93c6a82611f13fcfcb0643b51077e49f27bcb

Displaying notes found in: .note.ABI-tag
  Owner                 Data size       Description
  GNU                  0x00000010       NT_GNU_ABI_TAG (ABI version tag)
    OS: Linux, ABI: 3.2.0
address@hidden tmp]$

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