https://sourceware.org/bugzilla/show_bug.cgi?id=33292
Bug ID: 33292
Summary: Linker does not prune empty GNU_PROPERTY_1_NEEDED
Product: binutils
Version: 2.46 (HEAD)
Status: NEW
Severity: normal
Priority: P2
Component: ld
Assignee: unassigned at sourceware dot org
Reporter: sam at gentoo dot org
CC: hjl.tools at gmail dot com
Target Milestone: ---
```
$ cat dummy.s
# Dummy
.section ".note.GNU-stack"
$ gcc -O2 -mno-direct-extern-access -c dummy.s -o dummy.o # use
-mno-direct-extern-access to add GNU_PROPERTY_1_NEEDED_INDIRECT_EXTERN_ACCESS
$ gcc -shared -Wl,-z,lam-u57,-z,noindirect-extern-access -z nomemory-seal
dummy.o -o lam-u57.so # use -z noindirect-extern-access to prune
GNU_PROPERTY_1_NEEDED_INDIRECT_EXTERN_ACCESS
$ readelf -n lam-u57.so
Displaying notes found in: .note.gnu.build-id
Owner Data size Description
GNU 0x00000014 NT_GNU_BUILD_ID (unique build ID
bitstring)
Build ID: d8d038adbf56a7e9a8edad67a8e35b488cfe03b6
Displaying notes found in: .note.gnu.property
Owner Data size Description
GNU 0x00000040 NT_GNU_PROPERTY_TYPE_0
Properties: 1_needed: # <----- blank entry should be pruned
x86 feature: LAM_U57
x86 feature used: x86
x86 ISA used: x86-64-baseline
```
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