$ go build -compiler=gccgo main
/tmp/go-build518742582/libb.a(b.o): In function .import$1:.import$1$1$recover': b:(.text+0x450): multiple definition of.import$1:.import$1$1$recover'
/tmp/go-build518742582/a/_obj/main.o:main:(.text+0x7a0): first defined here
collect2: error: ld returned 1 exit status
gllgo: error: exit status 1
I am on commit a143e91 in libgo branch.
The program consists of 2 packages: "main": https://gist.github.com/dvyukov/9f31ca735af75a18a3b1 and "b": https://gist.github.com/dvyukov/18bc92787002840ce8f7
$ go build -compiler=gccgo main /tmp/go-build518742582/libb.a(b.o): In function
.import$1:.import$1$1$recover': b:(.text+0x450): multiple definition of.import$1:.import$1$1$recover' /tmp/go-build518742582/a/_obj/main.o:main:(.text+0x7a0): first defined here collect2: error: ld returned 1 exit status gllgo: error: exit status 1