[Truffle] Check if the native errno constant is defined before defini…

…ng it.
jruby · Nov 22, 2016 · 386573e · 386573e
1 parent 353623b
commit 386573e
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/truffle/src/main/java/org/jruby/truffle/core/CoreLibrary.java b/truffle/src/main/java/org/jruby/truffle/core/CoreLibrary.java
@@ -444,7 +444,7 @@ public CoreLibrary(RubyContext context) {
         errnoModule = defineModule("Errno");
 
         for (Errno errno : Errno.values()) {
-            if (errno.name().startsWith("E")) {
+            if (errno.defined()) {
                 if (errno.equals(Errno.EWOULDBLOCK) && Errno.EWOULDBLOCK.intValue() == Errno.EAGAIN.intValue()){
                     continue; // Don't define it as a class, define it as constant later.
                 }