cmd/compile: out of memory with large slice and map composite literals #22010
Description
What version of Go are you using (go version)?
go version go1.9 linux/amd64
Does this issue reproduce with the latest release?
yes
What operating system and processor architecture are you using (go env)?
GOARCH="amd64"
GOBIN=""
GOEXE=""
GOHOSTARCH="amd64"
GOHOSTOS="linux"
GOOS="linux"
GOPATH="/tmp/tmp.B05GgQUqzW/go"
GORACE=""
GOROOT="/usr/local/go1.9"
GOTOOLDIR="/usr/local/go1.9/pkg/tool/linux_amd64"
GCCGO="gccgo"
CC="gcc"
GOGCCFLAGS="-fPIC -m64 -pthread -fmessage-length=0 -fdebug-prefix-map=/tmp/go-build029171386=/tmp/go-build -gno-record-gcc-switches"
CXX="g++"
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"
What did you do?
go get h12.me/ua
go build -v h12.me/ua
What did you expect to see?
go build finishes as go1.8.3.
What did you see instead?
h12.me/ua
# h12.me/ua
fatal error: runtime: out of memory
runtime stack:
runtime.throw(0xb62665, 0x16)
/usr/local/go/src/runtime/panic.go:605 +0x95
runtime.sysMap(0xc45a290000, 0x2f0000, 0xc420060100, 0xf05378)
/usr/local/go/src/runtime/mem_linux.go:216 +0x1d0
runtime.(*mheap).sysAlloc(0xee3f40, 0x2f0000, 0xc42006fe20)
/usr/local/go/src/runtime/malloc.go:470 +0xd7
runtime.(*mheap).grow(0xee3f40, 0x172, 0x0)
/usr/local/go/src/runtime/mheap.go:887 +0x60
runtime.(*mheap).allocSpanLocked(0xee3f40, 0x172, 0xf05388, 0x7fe3c6a9fa18)
/usr/local/go/src/runtime/mheap.go:800 +0x334
runtime.(*mheap).alloc_m(0xee3f40, 0x172, 0xffffffffffff0100, 0xc420060180)
/usr/local/go/src/runtime/mheap.go:666 +0x118
runtime.(*mheap).alloc.func1()
/usr/local/go/src/runtime/mheap.go:733 +0x4d
runtime.systemstack(0xc42006ff08)
/usr/local/go/src/runtime/asm_amd64.s:360 +0xab
runtime.(*mheap).alloc(0xee3f40, 0x172, 0x7fe3c6010100, 0x7fe3c6a9fa18)
/usr/local/go/src/runtime/mheap.go:732 +0xa1
runtime.largeAlloc(0x2e2ba0, 0x7fe3c8220001, 0x7fe3c6a9fa18)
/usr/local/go/src/runtime/malloc.go:827 +0x98
runtime.mallocgc.func1()
/usr/local/go/src/runtime/malloc.go:722 +0x46
runtime.systemstack(0xc420020600)
/usr/local/go/src/runtime/asm_amd64.s:344 +0x79
runtime.mstart()
/usr/local/go/src/runtime/proc.go:1125
goroutine 1 [running]:
runtime.systemstack_switch()
/usr/local/go/src/runtime/asm_amd64.s:298 fp=0xc43ea636e8 sp=0xc43ea636e0 pc=0x455170
runtime.mallocgc(0x2e2ba0, 0xb2bf20, 0x17101, 0xc43c652228)
/usr/local/go/src/runtime/malloc.go:721 +0x7b8 fp=0xc43ea63790 sp=0xc43ea636e8 pc=0x410638
runtime.makeslice(0xb2bf20, 0x1715d, 0x1715d, 0x1715d, 0x0, 0x80)
/usr/local/go/src/runtime/slice.go:54 +0x77 fp=0xc43ea637c0 sp=0xc43ea63790 pc=0x43f157
cmd/compile/internal/ssa.makeLCArange(0xc43c652140, 0x0)
/usr/local/go/src/cmd/compile/internal/ssa/lca.go:36 +0x8d fp=0xc43ea63920 sp=0xc43ea637c0 pc=0x5e783d
cmd/compile/internal/ssa.tighten(0xc43c652140)
/usr/local/go/src/cmd/compile/internal/ssa/tighten.go:52 +0x2a6 fp=0xc43ea63a98 sp=0xc43ea63920 pc=0x8ff876
cmd/compile/internal/ssa.Compile(0xc43c652140)
/usr/local/go/src/cmd/compile/internal/ssa/compile.go:70 +0x2bb fp=0xc43ea673d0 sp=0xc43ea63a98 pc=0x5cb19b
cmd/compile/internal/gc.buildssa(0xc43cae8b00, 0x0, 0x0)
/usr/local/go/src/cmd/compile/internal/gc/ssa.go:216 +0xd89 fp=0xc43ea67530 sp=0xc43ea673d0 pc=0x9f6b29
cmd/compile/internal/gc.compileSSA(0xc43cae8b00, 0x0)
/usr/local/go/src/cmd/compile/internal/gc/pgen.go:240 +0x3c fp=0xc43ea675a8 sp=0xc43ea67530 pc=0x9c363c
cmd/compile/internal/gc.compile(0xc43cae8b00)
/usr/local/go/src/cmd/compile/internal/gc/pgen.go:219 +0x218 fp=0xc43ea67608 sp=0xc43ea675a8 pc=0x9c3568
cmd/compile/internal/gc.funccompile(0xc43cae8b00)
/usr/local/go/src/cmd/compile/internal/gc/dcl.go:1049 +0xb7 fp=0xc43ea67660 sp=0xc43ea67608 pc=0x96a007
cmd/compile/internal/gc.fninit(0xc4203abe00, 0x28, 0x40)
/usr/local/go/src/cmd/compile/internal/gc/init.go:207 +0xb59 fp=0xc43ea67880 sp=0xc43ea67660 pc=0x98fe39
cmd/compile/internal/gc.Main(0xb73f90)
/usr/local/go/src/cmd/compile/internal/gc/main.go:592 +0x2c78 fp=0xc43ea67f08 sp=0xc43ea67880 pc=0x99e578
main.main()
/usr/local/go/src/cmd/compile/main.go:49 +0x95 fp=0xc43ea67f80 sp=0xc43ea67f08 pc=0xabdfb5
runtime.main()
/usr/local/go/src/runtime/proc.go:185 +0x20d fp=0xc43ea67fe0 sp=0xc43ea67f80 pc=0x42bedd
runtime.goexit()
/usr/local/go/src/runtime/asm_amd64.s:2337 +0x1 fp=0xc43ea67fe8 sp=0xc43ea67fe0 pc=0x457cf1