Adjust position recorded for call expressions.

src/parser.cc

Index: src/parser.cc
diff --git a/src/parser.cc b/src/parser.cc
index c1681cfbd09da063960fedefac2572d059690a81..6531f10704c22996c5b0c0c0967836c71adfce7b 100644
--- a/src/parser.cc
+++ b/src/parser.cc
@@ -3003,7 +3003,19 @@ Expression* Parser::ParseLeftHandSideExpression(bool* ok) {
       }
 
       case Token::LPAREN: {
-        int pos = scanner().location().beg_pos;
+        int pos;
+        if (scanner().current_token() == Token::IDENTIFIER) {
+          // For call of an identifier we want to report position of
+          // the identifier as position of the call in the stack trace.
+          pos = scanner().location().beg_pos;
+        } else {
+          // For other kinds of calls we record position of the parenthesis as
+          // position of the call.  Note that this is extremely important for
+          // expressions of the form function(){...}() for which call position
+          // should not point to the closing brace otherwise it will intersect
+          // with positions recorded for function literal and confuse debugger.
+          pos = scanner().peek_location().beg_pos;
+        }
         ZoneList<Expression*>* args = ParseArguments(CHECK_OK);
 
         // Keep track of eval() calls since they disable all local variable