Merge "Disable gnu-folding-constant warning." am: adeb44b112 am: 7bca661e9a

Original change: https://android-review.googlesource.com/c/platform/build/soong/+/1573787

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I5c39333a9c22d825e549f254a720307ccf5cae01

cc/config/clang.go

@@ -142,6 +142,9 @@ func init() {
 		// Nested and array designated initialization is nice to have.
 		"-Wno-c99-designator",
 
+		// Warnings from clang-12
+		"-Wno-gnu-folding-constant",
+
 		// Calls to the APIs that are newer than the min sdk version of the caller should be
 		// guarded with __builtin_available.
 		"-Wunguarded-availability",