auto merge of #12839 : alexcrichton/rust/fix-snap, r=huonw

This test is blocking a snapshot. Apparently the snapshot bot doesn't print
'limited-debuginfo::main()' but rather just 'main()'. Who knew?

src/test/debug-info/limited-debuginfo.rs

@@ -14,10 +14,10 @@
 
 // Make sure functions have proper names
 // debugger:info functions
-// check:static void limited-debuginfo::main();
-// check:static void limited-debuginfo::some_function();
-// check:static void limited-debuginfo::some_other_function();
-// check:static void limited-debuginfo::zzz();
+// check:static void [...]main();
+// check:static void [...]some_function();
+// check:static void [...]some_other_function();
+// check:static void [...]zzz();
 
 // debugger:rbreak zzz
 // debugger:run
@@ -49,4 +49,4 @@ fn some_function(a: int, b: int) {
     zzz();
 }
 
-fn some_other_function(a: int, b: int) -> bool { true }
\ No newline at end of file
+fn some_other_function(a: int, b: int) -> bool { true }