[clang] [Cygwin] Cygwin driver (PR #74933)

[Brad Smith via cfe-commits]

=?utf-8?b?5b6Q5oyB5oGS?= Xu Chiheng,=?utf-8?b?5b6Q5oyB5oGS?= Xu Chiheng,
=?utf-8?b?5b6Q5oyB5oGS?= Xu Chiheng,=?utf-8?b?5b6Q5oyB5oGS?= Xu Chiheng
Message-ID:
In-Reply-To: <llvm.org/llvm/llvm-project/pull/74933 at github.com>


================
@@ -242,14 +240,7 @@ void InitHeaderSearch::AddDefaultCIncludePaths(const llvm::Triple &triple,
 
   switch (os) {
   case llvm::Triple::Win32:
-    switch (triple.getEnvironment()) {
-    default: llvm_unreachable("Include management is handled in the driver.");
-    case llvm::Triple::Cygnus:
-      AddPath("/usr/include/w32api", System, false);
-      break;
-    case llvm::Triple::GNU:
-      break;
-    }
+    llvm_unreachable("Include management is handled in the driver.");
----------------
brad0 wrote:

Just remove the switch statement all together.

https://github.com/llvm/llvm-project/pull/74933