wildcard.patch

diff --git a/src/Shared/FileMatcher.cs b/src/Shared/FileMatcher.cs
index 3ad7eb36..e8230405 100644
--- a/src/Shared/FileMatcher.cs
+++ b/src/Shared/FileMatcher.cs
@@ -190,6 +190,11 @@ namespace Microsoft.Build.Shared
                 // look in current directory if no path specified
                 string dir = ((path.Length == 0) ? s_thisDirectory : path);
 
+                if (!Directory.Exists(dir))
+                {
+                    return Array.Empty<string>();
+                }
+
                 // get all files in specified directory, unless a file-spec has been provided
                 string[] files = (filespec == null)
                     ? Directory.GetFiles(dir)
@@ -244,13 +249,19 @@ namespace Microsoft.Build.Shared
             {
                 string[] directories = null;
 
+                var dirToUse = (path.Length == 0) ? s_thisDirectory : path;
+                if (!Directory.Exists(dirToUse))
+                {
+                    return Array.Empty<string>();
+                }
+
                 if (pattern == null)
                 {
-                    directories = Directory.GetDirectories((path.Length == 0) ? s_thisDirectory : path);
+                    directories = Directory.GetDirectories(dirToUse);
                 }
                 else
                 {
-                    directories = Directory.GetDirectories((path.Length == 0) ? s_thisDirectory : path, pattern);
+                    directories = Directory.GetDirectories(dirToUse, pattern);
                 }
 
                 // Subdirectories in the current directory are coming back with a ".\"