From: Sebastian Redl <sebastian.redl@getdesigned.at>
Date: Sun, 18 Mar 2012 22:25:45 +0000 (+0000)
Subject: Add the missing compatibility warning for braced initializers as default arguments.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=3e280b58db5e7dc2bab736fa65af2b8157916726;p=clang

Add the missing compatibility warning for braced initializers as default arguments.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153026 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Parse/ParseDecl.cpp b/lib/Parse/ParseDecl.cpp
index 2fac0dca40..6f344f6691 100644
--- a/lib/Parse/ParseDecl.cpp
+++ b/lib/Parse/ParseDecl.cpp
@@ -4282,9 +4282,10 @@ void Parser::ParseParameterDeclarationClause(
                                                 Param);
 
           ExprResult DefArgResult;
-          if (Tok.is(tok::l_brace))
+          if (getLangOpts().CPlusPlus0x && Tok.is(tok::l_brace)) {
+            Diag(Tok, diag::warn_cxx98_compat_generalized_initializer_lists);
             DefArgResult = ParseBraceInitializer();
-          else
+          } else
             DefArgResult = ParseAssignmentExpression();
           if (DefArgResult.isInvalid()) {
             Actions.ActOnParamDefaultArgumentError(Param);
diff --git a/test/SemaCXX/cxx98-compat.cpp b/test/SemaCXX/cxx98-compat.cpp
index 903932c189..211f11cc59 100644
--- a/test/SemaCXX/cxx98-compat.cpp
+++ b/test/SemaCXX/cxx98-compat.cpp
@@ -39,7 +39,8 @@ void Lambda() {
   []{}(); // expected-warning {{lambda expressions are incompatible with C++98}}
 }
 
-int InitList() {
+int InitList(int i = {}) { // expected-warning {{generalized initializer lists are incompatible with C++98}} \
+                           // expected-warning {{scalar initialized from empty initializer list is incompatible with C++98}}
   (void)new int {}; // expected-warning {{generalized initializer lists are incompatible with C++98}} \
                     // expected-warning {{scalar initialized from empty initializer list is incompatible with C++98}}
   (void)int{}; // expected-warning {{generalized initializer lists are incompatible with C++98}} \