debug/pe: pe.Open fails on object files produced by llvm-mingw 21 #75219
Description
Go version
go version go1.25.0 windows/amd64
Output of go env in your module/workspace:
set AR=ar
set CC=gcc
set CGO_CFLAGS=-O2 -g
set CGO_CPPFLAGS=
set CGO_CXXFLAGS=-O2 -g
set CGO_ENABLED=1
set CGO_FFLAGS=-O2 -g
set CGO_LDFLAGS=-O2 -g
set CXX=g++
set GCCGO=gccgo
set GO111MODULE=
set GOAMD64=v1
set GOARCH=amd64
set GOAUTH=netrc
set GOBIN=
set GOCACHE=~\AppData\Local\go-build
set GOCACHEPROG=
set GODEBUG=
set GOENV=~\AppData\Roaming\go\env
set GOEXE=.exe
set GOEXPERIMENT=
set GOFIPS140=off
set GOFLAGS=
set GOGCCFLAGS=-m64 -mthreads -fno-caret-diagnostics -Qunused-arguments -Wl,--no-gc-sections -fmessage-length=0 -ffile-prefix-map=D:\AppData\Local\Temp\go-build3060655305=/tmp/go-build -gno-record-gcc-switches
set GOHOSTARCH=amd64
set GOHOSTOS=windows
set GOINSECURE=
set GOMOD=
set GOMODCACHE=~\go\pkg\mod
set GONOPROXY=
set GONOSUMDB=
set GOOS=windows
set GOPATH=~\go
set GOPRIVATE=
set GOPROXY=https://proxy.golang.org,direct
set GOROOT=C:\Program Files\Go
set GOSUMDB=sum.golang.org
set GOTELEMETRY=local
set GOTELEMETRYDIR=~\AppData\Roaming\go\telemetry
set GOTMPDIR=
set GOTOOLCHAIN=auto
set GOTOOLDIR=C:\Program Files\Go\pkg\tool\windows_amd64
set GOVCS=
set GOVERSION=go1.25.0
set GOWORK=
set PKG_CONFIG=What did you do?
pe.Open(...) any object file created with llvm-mingw clang21
obj.zip
or try to compile any cgo using package, even the most trivial
package main
import "C"
func main() {}
What did you see happen?
pe.Open gives
offset 0 is before the start of string table
go build gives
cannot parse *.o as ELF, Mach-O, PE or XCOFF
What did you expect to see?
no error