8350210: CTW: Use stackless exceptions

Reviewed-by: kvn, chagedorn

Author: shipilev

test/hotspot/jtreg/testlibrary/ctw/src/sun/hotspot/tools/ctw/CtwRunner.java

@@ -305,6 +305,8 @@ private String[] cmd(long classStart, long classStop) {
                 // Expand the optimization scope by disallowing most traps.
                 "-XX:PerMethodTrapLimit=0",
                 "-XX:PerMethodSpecTrapLimit=0",
+                // Do not pay extra stack trace generation cost for normally thrown exceptions
+                "-XX:-StackTraceInThrowable",
                 "-XX:+IgnoreUnrecognizedVMOptions",
                 // Do not pay extra zapping cost for explicit GC invocations
                 "-XX:-ZapUnusedHeapArea",