[Bug ld/28138] [2.37 Regression][bisected] Linker plugin complains about "malformed archive" on thin archines

[slyfox at inbox dot ru]

https://sourceware.org/bugzilla/show_bug.cgi?id=28138

--- Comment #2 from Sergei Trofimovich <slyfox at inbox dot ru> ---
I used the following reproducer linker script for bisection.

Fun fact: If I comment out all the -plugin/-plugin-opt= flags the link will
succeed.

$ cat repro.bash
#!/bin/bash

cmd=(

# bisect
/home/slyfox/dev/git/binutils-gdb-bisect/ld/ld-new


#/usr/x86_64-pc-linux-gnu/binutils-bin/2.37/ld
#works:
#/usr/x86_64-pc-linux-gnu/binutils-bin/2.36.1/ld


# somehow these are needed to trigger a bug:
-plugin /usr/libexec/gcc/x86_64-pc-linux-gnu/12.0.0/liblto_plugin.so
-plugin-opt=/usr/libexec/gcc/x86_64-pc-linux-gnu/12.0.0/lto-wrapper
-plugin-opt=-pass-through=-lgcc_s
-plugin-opt=-pass-through=-lgcc
-plugin-opt=-pass-through=-lpthread
-plugin-opt=-pass-through=-lc
-plugin-opt=-pass-through=-lgcc_s
-plugin-opt=-pass-through=-lgcc

-L /usr/lib/gcc/x86_64-pc-linux-gnu/12.0.0/
-L /usr/lib64

--eh-frame-hdr
-m elf_x86_64

-export-dynamic
-dynamic-linker
/lib64/ld-linux-x86-64.so.2
-pie

-o mksnapshot
/usr/lib64/Scrt1.o
/usr/lib64/crti.o
/usr/lib/gcc/x86_64-pc-linux-gnu/12.0.0/crtbeginS.o
-O1

--hash-style=gnu
--defsym=__gentoo_check_ldflags__=0
--start-group
/tmp/portage/net-libs/nodejs-14.17.3/work/node-v14.17.3/out/Release/obj.target/tools/v8_gypfiles/libv8_initializers.a
/tmp/portage/net-libs/nodejs-14.17.3/work/node-v14.17.3/out/Release/obj.target/mksnapshot/deps/v8/src/snapshot/embedded/embedded-empty.o
/tmp/portage/net-libs/nodejs-14.17.3/work/node-v14.17.3/out/Release/obj.target/mksnapshot/deps/v8/src/snapshot/embedded/embedded-file-writer.o
/tmp/portage/net-libs/nodejs-14.17.3/work/node-v14.17.3/out/Release/obj.target/mksnapshot/deps/v8/src/snapshot/embedded/platform-embedded-file-writer-aix.o
/tmp/portage/net-libs/nodejs-14.17.3/work/node-v14.17.3/out/Release/obj.target/mksnapshot/deps/v8/src/snapshot/embedded/platform-embedded-file-writer-base.o
/tmp/portage/net-libs/nodejs-14.17.3/work/node-v14.17.3/out/Release/obj.target/mksnapshot/deps/v8/src/snapshot/embedded/platform-embedded-file-writer-generic.o
/tmp/portage/net-libs/nodejs-14.17.3/work/node-v14.17.3/out/Release/obj.target/mksnapshot/deps/v8/src/snapshot/embedded/platform-embedded-file-writer-mac.o
/tmp/portage/net-libs/nodejs-14.17.3/work/node-v14.17.3/out/Release/obj.target/mksnapshot/deps/v8/src/snapshot/embedded/platform-embedded-file-writer-win.o
/tmp/portage/net-libs/nodejs-14.17.3/work/node-v14.17.3/out/Release/obj.target/mksnapshot/deps/v8/src/snapshot/mksnapshot.o
/tmp/portage/net-libs/nodejs-14.17.3/work/node-v14.17.3/out/Release/obj.target/mksnapshot/deps/v8/src/snapshot/snapshot-empty.o
/tmp/portage/net-libs/nodejs-14.17.3/work/node-v14.17.3/out/Release/obj.target/tools/v8_gypfiles/libv8_base_without_compiler.a
/tmp/portage/net-libs/nodejs-14.17.3/work/node-v14.17.3/out/Release/obj.target/tools/v8_gypfiles/libv8_init.a
/tmp/portage/net-libs/nodejs-14.17.3/work/node-v14.17.3/out/Release/obj.target/tools/v8_gypfiles/libv8_libbase.a
/tmp/portage/net-libs/nodejs-14.17.3/work/node-v14.17.3/out/Release/obj.target/tools/v8_gypfiles/libv8_libplatform.a
/tmp/portage/net-libs/nodejs-14.17.3/work/node-v14.17.3/out/Release/obj.target/tools/icu/libicui18n.a
/tmp/portage/net-libs/nodejs-14.17.3/work/node-v14.17.3/out/Release/obj.target/tools/icu/libicuucx.a
/tmp/portage/net-libs/nodejs-14.17.3/work/node-v14.17.3/out/Release/obj.target/tools/icu/libicudata.a
/tmp/portage/net-libs/nodejs-14.17.3/work/node-v14.17.3/out/Release/obj.target/tools/v8_gypfiles/libv8_libsampler.a
/tmp/portage/net-libs/nodejs-14.17.3/work/node-v14.17.3/out/Release/obj.target/tools/v8_gypfiles/libv8_zlib.a
/tmp/portage/net-libs/nodejs-14.17.3/work/node-v14.17.3/out/Release/obj.target/tools/v8_gypfiles/libv8_compiler.a
-lz
-luv
-lbrotlidec
-lbrotlienc
-lcares
-lnghttp2
-lcrypto
-lssl
-ldl
-lrt
--end-group
-lstdc++
-lm
-lgcc_s
-lgcc
-lpthread
-lc
-lgcc_s
-lgcc
/usr/lib/gcc/x86_64-pc-linux-gnu/12.0.0/crtendS.o
/usr/lib64/crtn.o
)

"${cmd[@]}" "$@"

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