Disable longsections warning in more cases

Author: Steelskin

utils/build.ps1

@@ -1610,12 +1610,14 @@ function Build-CMakeProject {
             }
 
             # The linker flags are shared across every language, and `/IGNORE:longsections` is an
-            # `lld-link.exe` argument, not `link.exe`, so this can only be enabled with the GNU
-            # driver, which guarantees we are using `lld-link.exe`.
+            # `lld-link.exe` argument, not `link.exe`, so this can only be enabled when we use
+            # `lld-link.exe` for linking.
             # TODO: Investigate supporting fission with PE/COFF, this should avoid this warning.
             if ($SwiftDebugFormat -eq "dwarf") {
               if ($UseGNUDriver) {
                 $LinkerFlags += @("-Xlinker", "/IGNORE:longsections")
+              } elseif (-not $UseMSVCCompilers.Contains("C") -and -not $UseMSVCCompilers.Contains("CXX")) {
+                $LinkerFlags += @("/IGNORE:longsections")
               }
             }
           }