internal/releasetargets: use *-oldcc windows 386/amd64 builders for 1.18/1.19

Select the *-oldcc variants for windows 386/amd64 builders for when
building 1.18/1.19 minor releases. This syncs up relui with similar
changes in the dashboard (e.g. CL 453095).

For golang/go#35006.

Change-Id: I1df3fef9459ca23593571448129eb1d1497c4529
Reviewed-on: https://go-review.googlesource.com/c/build/+/454098
TryBot-Result: Gopher Robot <[email protected]>
Run-TryBot: Than McIntosh <[email protected]>
Reviewed-by: Heschi Kreinick <[email protected]>

Author: thanm

internal/releasetargets/releases.txt

@@ -38,11 +38,11 @@ linux-s390x     linux      s390x      linux-s390x-crosscompile
 	Build only
 	Running on GCP
 
-windows-386     windows    386        windows-386-2008
+windows-386     windows    386        windows-386-2008-oldcc
 	Running on GCP
 
-windows-amd64   windows    amd64      windows-amd64-2008
-	Race enabled, Long tests on windows-amd64-longtest
+windows-amd64   windows    amd64      windows-amd64-2008-oldcc
+	Race enabled, Long tests on windows-amd64-longtest-oldcc
 	Running on GCP
 
 windows-arm64   windows    arm64      windows-arm64-11
@@ -90,11 +90,11 @@ linux-s390x     linux      s390x      linux-s390x-crosscompile
 	Build only
 	Running on GCP
 
-windows-386     windows    386        windows-386-2008
+windows-386     windows    386        windows-386-2008-oldcc
 	Running on GCP
 
-windows-amd64   windows    amd64      windows-amd64-2008
-	Race enabled, Long tests on windows-amd64-longtest
+windows-amd64   windows    amd64      windows-amd64-2008-oldcc
+	Race enabled, Long tests on windows-amd64-longtest-oldcc
 	Running on GCP
 
 windows-arm64   windows    arm64      windows-arm64-11

internal/releasetargets/releasetargets.go

@@ -94,12 +94,13 @@ var allReleases = map[int]ReleaseTargets{
 			Builder:     "linux-ppc64le-buildlet",
 			BuildOnly:   true,
 		},
+		// *-oldcc amd64/386 builders needed for 1.18, 1.19
 		"windows-386": &Target{
-			Builder: "windows-386-2008",
+			Builder: "windows-386-2008-oldcc",
 		},
 		"windows-amd64": &Target{
-			Builder:         "windows-amd64-2008",
-			LongTestBuilder: "windows-amd64-longtest",
+			Builder:         "windows-amd64-2008-oldcc",
+			LongTestBuilder: "windows-amd64-longtest-oldcc",
 			Race:            true,
 		},
 		"windows-arm64": &Target{
@@ -139,6 +140,9 @@ var allReleases = map[int]ReleaseTargets{
 			Builder:         "linux-amd64-bullseye",
 			LongTestBuilder: "linux-amd64-longtest",
 		},
+		"windows-386": &Target{
+			Builder: "windows-386-2008",
+		},
 		"windows-amd64": &Target{
 			Builder:         "windows-amd64-2008",
 			LongTestBuilder: "windows-amd64-longtest",