3 files changed, 9 insertions, 6 deletions
diff --git a/include/clang/Basic/DiagnosticGroups.td b/include/clang/Basic/DiagnosticGroups.td
index 462a3c71a6..35ff035aa0 100644
--- a/include/clang/Basic/DiagnosticGroups.td
+++ b/include/clang/Basic/DiagnosticGroups.td
@@ -54,10 +54,9 @@ def ExtraTokens : DiagGroup<"extra-tokens">;
 def FormatExtraArgs : DiagGroup<"format-extra-args">;
 def FormatZeroLength : DiagGroup<"format-zero-length">;
 
-def CXXHexFloats : DiagGroup<"c++-hex-floats">;
 def CXX0xNarrowing : DiagGroup<"c++0x-narrowing">;
 
-def CXX0xCompat : DiagGroup<"c++0x-compat", [CXXHexFloats, CXX0xNarrowing]>;
+def CXX0xCompat : DiagGroup<"c++0x-compat", [CXX0xNarrowing]>;
 def : DiagGroup<"effc++">;
 def ExitTimeDestructors : DiagGroup<"exit-time-destructors">;
 def FourByteMultiChar : DiagGroup<"four-char-constants">;
@@ -169,6 +168,7 @@ def UnusedResult : DiagGroup<"unused-result">;
 def UnusedValue : DiagGroup<"unused-value", [UnusedComparison, UnusedResult]>;
 def UnusedVariable : DiagGroup<"unused-variable">;
 def UsedButMarkedUnused : DiagGroup<"used-but-marked-unused">;
+def UserDefinedLiterals : DiagGroup<"user-defined-literals">;
 def ReadOnlySetterAttrs : DiagGroup<"readonly-setter-attrs">;
 def Reorder : DiagGroup<"reorder">;
 def UndeclaredSelector : DiagGroup<"undeclared-selector">;
diff --git a/include/clang/Basic/DiagnosticLexKinds.td b/include/clang/Basic/DiagnosticLexKinds.td
index 1347ceb8c9..d40e2cde03 100644
--- a/include/clang/Basic/DiagnosticLexKinds.td
+++ b/include/clang/Basic/DiagnosticLexKinds.td
@@ -94,9 +94,6 @@ def err_exponent_has_no_digits : Error<"exponent has no digits">;
 def ext_imaginary_constant : Extension<"imaginary constants are an extension">;
 def err_hexconstant_requires_exponent : Error<
   "hexadecimal floating constants require an exponent">;
-def ext_hexconstant_cplusplus : Extension<
-  "hexadecimal floating constants are a C99 feature that is incompatible with "
-  "C++0x">, InGroup<CXXHexFloats>;
 def ext_hexconstant_invalid : Extension<
   "hexadecimal floating constants are a C99 feature">;
 def ext_binary_literal : Extension<
diff --git a/include/clang/Basic/DiagnosticSemaKinds.td b/include/clang/Basic/DiagnosticSemaKinds.td
index 50b73984df..224853c34b 100644
--- a/include/clang/Basic/DiagnosticSemaKinds.td
+++ b/include/clang/Basic/DiagnosticSemaKinds.td
@@ -4152,7 +4152,13 @@ def err_literal_operator_outside_namespace : Error<
 // FIXME: This diagnostic sucks
 def err_literal_operator_params : Error<
   "parameter declaration for literal operator %0 is not valid">;
-
+def warn_user_literal_hexfloat : Warning<
+  "user-defined literal with suffix '%0' is preempted by C99 hexfloat "
+  "extension">, InGroup<UserDefinedLiterals>;
+def warn_user_literal_reserved : Warning<
+  "user-defined literals not starting with '_' are reserved by the "
+  "implementation">, InGroup<UserDefinedLiterals>;
+  
 // C++ conversion functions
 def err_conv_function_not_member : Error<
   "conversion function must be a non-static member function">;