[PATCH] Improve diagnostic message for misplaced square brackets

[Richard Smith]

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Comment at: lib/Parse/ParseDecl.cpp:4841
@@ -4824,3 +4840,3 @@
     // portion is empty), if an abstract-declarator is allowed.
     D.SetIdentifier(0, Tok.getLocation());
 
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This looks like it'll provide the wrong location if there were misplaced brackets.

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Comment at: lib/Parse/ParseDecl.cpp:4862
@@ -4838,3 +4861,3 @@
                                         : D.getDeclSpec().getSourceRange());
-    else if (getLangOpts().CPlusPlus) {
-      if (Tok.is(tok::period) || Tok.is(tok::arrow))
+    } else if (getLangOpts().CPlusPlus) {
+      if (!UnhandledError && (Tok.is(tok::period) || Tok.is(tok::arrow)))
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Have you considered putting the bracket parsing code way down here (and recursively calling back into this function after parsing them)?

http://reviews.llvm.org/D2712