Issue 1061: Duplicate members causes NPE in type analyzer

Issue 1061: Duplicate members causes NPE in type analyzer
http://code.google.com/p/dart/issues/detail?id=1061
Replace Map<Element> with MultiMap<Element> (LinkedHashMap).
R=zundel,messick
BUG=1061
TEST=

Committed: https://code.google.com/p/dart/source/detail?r=3047

[codefu, 2012-01-06 16:14:16]

http://codereview.chromium.org/9122003/diff/1/compiler/java/com/google/dart/c...
File
compiler/java/com/google/dart/compiler/resolver/ClassElementImplementation.java
(right):

http://codereview.chromium.org/9122003/diff/1/compiler/java/com/google/dart/c...
compiler/java/com/google/dart/compiler/resolver/ClassElementImplementation.java:271:
if(iterator.hasNext()) {
Again, I fail to run the formatter.

[codefu, 2012-01-06 16:21:13]

http://codereview.chromium.org/9122003/diff/1/compiler/java/com/google/dart/c...
File
compiler/java/com/google/dart/compiler/resolver/ClassElementImplementation.java
(right):

http://codereview.chromium.org/9122003/diff/1/compiler/java/com/google/dart/c...
compiler/java/com/google/dart/compiler/resolver/ClassElementImplementation.java:278:
Element element = lookupLocalElement(name);
Do we want to update these to search the Set<Element> returned by the possible
collision of keys?  This would allow lookupLocalMethod and lookupLocalField to
return colliding elements.

[zundel, 2012-01-06 18:22:08]

lgtm