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changeset 22202:3d9e283e2487

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The PolyglotEngine passed to executionStart cannot be null or bad things happen then.
author Jaroslav Tulach <jaroslav.tulach@oracle.com>
date Tue, 29 Sep 2015 18:04:11 +0200
parents df6a1647cfb3
children 0995fbcf3e60 7804ee711b7d 0d36601f233e
files truffle/com.oracle.truffle.api/src/com/oracle/truffle/api/impl/Accessor.java
diffstat 1 files changed, 1 insertions(+), 0 deletions(-) [+]
line wrap: on
line diff
--- a/truffle/com.oracle.truffle.api/src/com/oracle/truffle/api/impl/Accessor.java	Tue Sep 29 15:01:34 2015 +0200
+++ b/truffle/com.oracle.truffle.api/src/com/oracle/truffle/api/impl/Accessor.java	Tue Sep 29 18:04:11 2015 +0200
@@ -188,6 +188,7 @@
     private static Assumption oneVM = Truffle.getRuntime().createAssumption();
 
     protected Closeable executionStart(Object vm, Debugger[] fillIn, Source s) {
+        vm.getClass();
         final Closeable debugClose = DEBUG.executionStart(vm, fillIn, s);
         final Object prev = CURRENT_VM.get();
         if (!(vm == previousVM.get())) {