PR21875: codegen for non-type template parameters of nullptr_t type

[oota-llvm.git] / lib / CodeGen / AsmPrinter / DwarfUnit.cpp

diff --git a/lib/CodeGen/AsmPrinter/DwarfUnit.cpp b/lib/CodeGen/AsmPrinter/DwarfUnit.cpp
index 6c5a630edb1b51dd548b490f595b70faef2d6042..b616e54df5c10d4bec50500a00873ae500084dd8 100644 (file)
--- a/lib/CodeGen/AsmPrinter/DwarfUnit.cpp
+++ b/lib/CodeGen/AsmPrinter/DwarfUnit.cpp
@@ -654,11 +654,14 @@ static bool isUnsignedDIType(DwarfDebug *DD, DIType Ty) {
           Encoding == dwarf::DW_ATE_unsigned_char ||
           Encoding == dwarf::DW_ATE_signed ||
           Encoding == dwarf::DW_ATE_signed_char ||
-          Encoding == dwarf::DW_ATE_UTF || Encoding == dwarf::DW_ATE_boolean) &&
+          Encoding == dwarf::DW_ATE_UTF || Encoding == dwarf::DW_ATE_boolean ||
+          (Ty.getTag() == dwarf::DW_TAG_unspecified_type &&
+           Ty.getName() == "decltype(nullptr)")) &&
          "Unsupported encoding");
   return (Encoding == dwarf::DW_ATE_unsigned ||
           Encoding == dwarf::DW_ATE_unsigned_char ||
-          Encoding == dwarf::DW_ATE_UTF || Encoding == dwarf::DW_ATE_boolean);
+          Encoding == dwarf::DW_ATE_UTF || Encoding == dwarf::DW_ATE_boolean ||
+          Ty.getTag() == dwarf::DW_TAG_unspecified_type);
 }
 
 /// If this type is derived from a base type then return base type size.