[clang] [clang][darwin] macOS no longer infers a minimum deployment version from the OS version (PR #181958)

[Cyndy Ishida via cfe-commits]

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@@ -1938,9 +1938,13 @@ struct DarwinPlatform {
                                           const DarwinSDKInfo &SDKInfo) {
     const DarwinSDKInfo::SDKPlatformInfo PlatformInfo =
         SDKInfo.getCanonicalPlatformInfo();
-    DarwinPlatform Result(InferredFromSDK,
-                          getPlatformFromOS(PlatformInfo.getOS()),
-                          SDKInfo.getVersion());
+    const llvm::Triple::OSType OS = PlatformInfo.getOS();
+    VersionTuple Version = SDKInfo.getVersion();
+    if (OS == llvm::Triple::MacOSX) {
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cyndyishida wrote:

nit: don't need parentheses 

https://llvm.org/docs/CodingStandards.html#don-t-use-braces-on-simple-single-statement-bodies-of-if-else-loop-statements

https://github.com/llvm/llvm-project/pull/181958