[Bug libsframe/33127] 'FAIL: Link eh-group.o to eh-group' (assertion fail elf-sframe.c:122) with default-enabled SFrames

[hjl.tools at gmail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=33127

--- Comment #7 from H.J. Lu <hjl.tools at gmail dot com> ---
Created attachment 16167
  --> https://sourceware.org/bugzilla/attachment.cgi?id=16167&action=edit
A testcase

[hjl@gnu-tgl-3 tmp]$
/export/build/gnu/tools-build/binutils/build-x86_64-linux/binutils/readelf
--sframe eh-group1.o
Contents of the SFrame section .sframe:
  Header :

    Version: SFRAME_VERSION_2
    Flags: SFRAME_F_FDE_FUNC_START_PCREL
    CFA fixed RA offset: -8
    Num FDEs: 1
    Num FREs: 1

  Function Index :

    func idx [0]: pc = 0x0, size = 16 bytes
    STARTPC         CFA       FP        RA           
    0000000000000000  sp+8      u         f            
[hjl@gnu-tgl-3 tmp]$
/export/build/gnu/tools-build/binutils/build-x86_64-linux/binutils/readelf
--sframe eh-group2.o
Contents of the SFrame section .sframe:
  Header :

    Version: SFRAME_VERSION_2
    Flags: SFRAME_F_FDE_FUNC_START_PCREL
    CFA fixed RA offset: -8
    Num FDEs: 1
    Num FREs: 1

  Function Index :

    func idx [0]: pc = 0x0, size = 16 bytes
    STARTPC         CFA       FP        RA           
    0000000000000000  sp+8      u         f            
[hjl@gnu-tgl-3 tmp]$
/export/build/gnu/tools-build/binutils/build-x86_64-linux/ld/ld-new -r -o
eh-group.o eh-group1.o eh-group2.o
[hjl@gnu-tgl-3 tmp]$
/export/build/gnu/tools-build/binutils/build-x86_64-linux/binutils/readelf
--sframe eh-group.o
Contents of the SFrame section .sframe:
  Header :

    Version: SFRAME_VERSION_2
    Flags: SFRAME_F_FDE_SORTED,
           SFRAME_F_FDE_FUNC_START_PCREL
    CFA fixed RA offset: -8
    Num FDEs: 1
    Num FREs: 1

  Function Index :

    func idx [0]: pc = 0x0, size = 16 bytes
    STARTPC         CFA       FP        RA           
    0000000000000000  sp+8      u         f            
[hjl@gnu-tgl-3 tmp]$
/export/build/gnu/tools-build/binutils/build-x86_64-linux/ld/ld-new -e _start
eh-group.o
/export/build/gnu/tools-build/binutils/build-x86_64-linux/ld/ld-new: BFD (GNU
Binutils) 2.44.50.20250712 assertion fail
/export/gnu/import/git/sources/binutils-gdb/bfd/elf-sframe.c:123
/export/build/gnu/tools-build/binutils/build-x86_64-linux/ld/ld-new:
eh-group.o(.sframe+0x38): reloc against `*UND*': error 4
/export/build/gnu/tools-build/binutils/build-x86_64-linux/ld/ld-new: final link
failed
[hjl@gnu-tgl-3 tmp]$

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