8371608: Jtreg test jdk/internal/vm/Continuation/Fuzz.java sometimes fails with (fast)debug binaries

Reviewed-by: mdoerr, rrich

Author: MBaesken

test/jdk/jdk/internal/vm/Continuation/Fuzz.java

@@ -96,6 +96,9 @@ public static void main(String[] args) {
         if (Platform.isPPC()) {
             COMPILATION_TIMEOUT = COMPILATION_TIMEOUT * 2;
         }
+        if (Platform.isDebugBuild()) {
+            COMPILATION_TIMEOUT = COMPILATION_TIMEOUT * 2;
+        }
         warmup();
         for (int compileLevel : new int[]{4}) {
             for (boolean compileRun : new boolean[]{true}) {