Treat stack overflows specially when reporting unhandled exceptions.

lib/compiler/implementation/compiler.dart

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 /**
  * If true, print a warning for each method that was resolved, but not
  * compiled.
  */
 final bool REPORT_EXCESS_RESOLUTION = false;
@@ skipping 134 matching lines @@
   ClassElement jsIndexingBehaviorInterface;
 
   Element get currentElement() => _currentElement;
   withCurrentElement(Element element, f()) {
     Element old = currentElement;
     _currentElement = element;
     try {
       return f();
     } catch (CompilerCancelledException ex) {
       throw;
+    } catch (StackOverflowException ex) {
+      // We cannot report anything useful in this case, because we
+      // do not have enough stack space.
+      throw;
     } catch (var ex) {
       unhandledExceptionOnElement(element);
       throw;
     } finally {
       _currentElement = old;
     }
   }
 
   List<CompilerTask> tasks;
   ScannerTask scanner;
@@ skipping 599 matching lines @@
     // invariant that endOffset > beginOffset, but for EOF the
     // charoffset of the next token may be [beginOffset]. This can
     // also happen for synthetized tokens that are produced during
     // error handling.
     final endOffset =
       Math.max((end.next !== null) ? end.next.charOffset : 0, beginOffset + 1);
     assert(endOffset > beginOffset);
     return f(beginOffset, endOffset);
   }
 }