Index: go/src/cmd/dist/buildtool.go
===================================================================
--- go.orig/src/cmd/dist/buildtool.go
+++ go/src/cmd/dist/buildtool.go
@@ -210,7 +210,7 @@
 	// only applies to the final cmd/go binary, but that's OK: if this is Go 1.10
 	// or later we don't need to disable inlining to work around bugs in the Go 1.4 compiler.
 	cmd := []string{
-		pathf("%s/bin/go", goroot_bootstrap),
+		pathf("%s/bin/go-$gcc_go_version", goroot_bootstrap),
 		"install",
 		"-gcflags=-l",
 		"-tags=math_big_pure_go compiler_bootstrap purego",
Index: go/src/make.bash
===================================================================
--- go.orig/src/make.bash
+++ go/src/make.bash
@@ -68,7 +68,7 @@
 # time goes when these scripts run.
 #
 # GOROOT_BOOTSTRAP: A working Go tree >= Go 1.4 for bootstrap.
-# If $GOROOT_BOOTSTRAP/bin/go is missing, $(go env GOROOT) is
+# If $GOROOT_BOOTSTRAP/bin/go-$gcc_go_version is missing, $(go env GOROOT) is
 # tried for all "go" in $PATH. $HOME/go1.4 by default.
 
 set -e
@@ -179,8 +179,8 @@
 		fi
 	fi
 done; unset IFS
-if [ ! -x "$GOROOT_BOOTSTRAP/bin/go" ]; then
-	echo "ERROR: Cannot find $GOROOT_BOOTSTRAP/bin/go." >&2
+if [ ! -x "$GOROOT_BOOTSTRAP/bin/go-$gcc_go_version" ]; then
+	echo "ERROR: Cannot find $GOROOT_BOOTSTRAP/bin/go-$gcc_go_version." >&2
 	echo "Set \$GOROOT_BOOTSTRAP to a working Go tree >= Go 1.4." >&2
 	exit 1
 fi
@@ -198,7 +198,7 @@
 	exit 1
 fi
 rm -f cmd/dist/dist
-GOROOT="$GOROOT_BOOTSTRAP" GOOS="" GOARCH="" GO111MODULE=off GOEXPERIMENT="" GOENV=off GOFLAGS="" "$GOROOT_BOOTSTRAP/bin/go" build -o cmd/dist/dist ./cmd/dist
+GOROOT="$GOROOT_BOOTSTRAP" GOOS="" GOARCH="" GO111MODULE=off GOEXPERIMENT="" GOENV=off GOFLAGS="" "$GOROOT_BOOTSTRAP/bin/go-$gcc_go_version" build -o cmd/dist/dist ./cmd/dist
 
 # -e doesn't propagate out of eval, so check success by hand.
 eval $(./cmd/dist/dist env -p || echo FAIL=true)
Index: go/src/make.rc
===================================================================
--- go.orig/src/make.rc
+++ go/src/make.rc
@@ -57,7 +57,7 @@
 			GOROOT_BOOTSTRAP = $home/$d
 }
 for(p in $path){
-	if(! test -x $GOROOT_BOOTSTRAP/bin/go){
+	if(! test -x $GOROOT_BOOTSTRAP/bin/go-$gcc_go_version){
 		if(go_exe = `{path=$p whatis go}){
 			goroot = `{GOROOT='' $go_exe env GOROOT}
 			if(! ~ $goroot $GOROOT){
@@ -70,8 +70,8 @@
 		}
 	}
 }
-if(! test -x $GOROOT_BOOTSTRAP/bin/go){
-	echo 'ERROR: Cannot find '$GOROOT_BOOTSTRAP'/bin/go.' >[1=2]
+if(! test -x $GOROOT_BOOTSTRAP/bin/go-$gcc_go_version){
+	echo 'ERROR: Cannot find '$GOROOT_BOOTSTRAP'/bin/go-$gcc_go_version.' >[1=2]
 	echo 'Set $GOROOT_BOOTSTRAP to a working Go tree >= Go 1.4.' >[1=2]
 	exit bootstrap
 }
@@ -84,7 +84,7 @@
 echo 'Building Go cmd/dist using '^$GOROOT_BOOTSTRAP
 if(~ $#vflag 1)
 	echo cmd/dist
-GOROOT=$GOROOT_BOOTSTRAP GOOS='' GOARCH='' GOEXPERIMENT='' GO111MODULE=off GOENV=off GOFLAGS='' $GOROOT_BOOTSTRAP/bin/go build -o cmd/dist/dist ./cmd/dist
+GOROOT=$GOROOT_BOOTSTRAP GOOS='' GOARCH='' GOEXPERIMENT='' GO111MODULE=off GOENV=off GOFLAGS='' $GOROOT_BOOTSTRAP/bin/go-$gcc_go_version build -o cmd/dist/dist ./cmd/dist
 
 eval `{./cmd/dist/dist env -9}
 if(~ $#vflag 1)