all: join a few chained ifs

I had been finding these over a year or so, but none were big enough
changes to warrant CLs. They're a handful now, so clean them all up in a
single commit.

The smaller bodies get a bit simpler, but most importantly, the larger
bodies get unindented.

Change-Id: I5707a6fee27d4c9ff9efd3d363af575d7a4bf2aa
Reviewed-on: https://go-review.googlesource.com/c/go/+/165340
Run-TryBot: Daniel Martí <mvdan@mvdan.cc>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>

1 files changed, 8 insertions, 10 deletions

diff --git a/src/runtime/signal_unix.go b/src/runtime/signal_unix.go
index 15f1799801..8814f7836d 100644
--- a/src/runtime/signal_unix.go
+++ b/src/runtime/signal_unix.go
@@ -503,16 +503,14 @@ func raisebadsignal(sig uint32, c *sigctxt) {
 
 //go:nosplit
 func crash() {
-	if GOOS == "darwin" {
-		// OS X core dumps are linear dumps of the mapped memory,
-		// from the first virtual byte to the last, with zeros in the gaps.
-		// Because of the way we arrange the address space on 64-bit systems,
-		// this means the OS X core file will be >128 GB and even on a zippy
-		// workstation can take OS X well over an hour to write (uninterruptible).
-		// Save users from making that mistake.
-		if GOARCH == "amd64" {
-			return
-		}
+	// OS X core dumps are linear dumps of the mapped memory,
+	// from the first virtual byte to the last, with zeros in the gaps.
+	// Because of the way we arrange the address space on 64-bit systems,
+	// this means the OS X core file will be >128 GB and even on a zippy
+	// workstation can take OS X well over an hour to write (uninterruptible).
+	// Save users from making that mistake.
+	if GOOS == "darwin" && GOARCH == "amd64" {
+		return
 	}
 
 	dieFromSignal(_SIGABRT)