cmd/compile/internal/noder: limit the number of goroutine

Change-Id: I7f05108fea351a4895dde6090bf86beb822f2c28
GitHub-Last-Rev: e4a2d3a11aa258f2ddf5e39ab4769883f94e3dab
GitHub-Pull-Request: golang/go#45289
Reviewed-on: https://go-review.googlesource.com/c/go/+/305869
Reviewed-by: Keith Randall <khr@golang.org>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
Run-TryBot: Keith Randall <khr@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>

diff --git a/src/cmd/compile/internal/noder/noder.go b/src/cmd/compile/internal/noder/noder.go
index 4c7c9fc322f97726ceabf3368dc2fd906a20e606..2c021cc570439cf84abd2ba2e4b094852b33dd6f 100644 (file)
--- a/src/cmd/compile/internal/noder/noder.go
+++ b/src/cmd/compile/internal/noder/noder.go
@@ -46,8 +46,8 @@ func LoadPackage(filenames []string) {
                noders[i] = &p
 
                filename := filename
+               sem <- struct{}{}
                go func() {
-                       sem <- struct{}{}
                        defer func() { <-sem }()
                        defer close(p.err)
                        fbase := syntax.NewFileBase(filename)