Merge pull request #772 from MaurizioMoreo/pcov_fix

Add PCOV availability check

src/Support/Coverage.php

@@ -42,6 +42,14 @@ final class Coverage
             return false;
         }
 
+        if ($runtime->hasPCOV()) {
+            return true;
+        }
+
+        if ($runtime->hasPHPDBGCodeCoverage()) {
+            return true;
+        }
+
         if (! $runtime->hasXdebug()) {
             return true;
         }