x/mobile/cmd/gomobile: iOS app built with gomobile-build fails to run on simulators

[hajimehoshi]

What version of Go are you using (go version)?

go version go1.10 darwin/amd64

Does this issue reproduce with the latest release?

Yes

What operating system and processor architecture are you using (go env)?

GOARCH="amd64"
GOBIN=""
GOCACHE="/Users/hajimehoshi/Library/Caches/go-build"
GOEXE=""
GOHOSTARCH="amd64"
GOHOSTOS="darwin"
GOOS="darwin"
GOPATH="/Users/hajimehoshi/go"
GORACE=""
GOROOT="/usr/local/go"
GOTMPDIR=""
GOTOOLDIR="/usr/local/go/pkg/tool/darwin_amd64"
GCCGO="gccgo"
CC="clang"
CXX="clang++"
CGO_ENABLED="1"
CGO_CFLAGS="-g -O2"
CGO_CPPFLAGS=""
CGO_CXXFLAGS="-g -O2"
CGO_FFLAGS="-g -O2"
CGO_LDFLAGS="-g -O2"
PKG_CONFIG="pkg-config"
GOGCCFLAGS="-fPIC -m64 -pthread -fno-caret-diagnostics -Qunused-arguments -fmessage-length=0 -fdebug-prefix-map=/var/folders/7t/qw3np69559591s1v0mk5_p1m0000gn/T/go-build916245002=/tmp/go-build -gno-record-gcc-switches -fno-common"

What did you do?

1. Run gomobile build -target=ios -bundleid=com.hajimehoshi.gomobiletest -work golang.org/x/mobile/example/basic
2. Open the generated main.xcodeproj
3. Run it on any emulators

What did you expect to see?

The app runs on the emulator

What did you see instead?

SIGABRT

dyld`__abort_with_payload:
    0x58101e0 <+0>:  movl   $0x2000209, %eax          ; imm = 0x2000209 
    0x58101e5 <+5>:  movq   %rcx, %r10
    0x58101e8 <+8>:  syscall 
->  0x58101ea <+10>: jae    0x58101f4                 ; <+20>
    0x58101ec <+12>: movq   %rax, %rdi
    0x58101ef <+15>: jmp    0x580fa48                 ; cerror_nocancel
    0x58101f4 <+20>: retq   
    0x58101f5 <+21>: nop    
    0x58101f6 <+22>: nop    
    0x58101f7 <+23>: nop   

[hajimehoshi]

CC @eliasnaur

[gopherbot]

Change https://golang.org/cl/110059 mentions this issue: cmd/gomobile: disable DWARF in gomobile builds

[gopherbot]

Change https://golang.org/cl/111275 mentions this issue: cmd/link/internal/ld: skip DWARF combining for iOS binaries