Fix two APFloat bugs in converting hexadecimal constants.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79540 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/unittests/ADT/APFloatTest.cpp b/unittests/ADT/APFloatTest.cpp
index b97810b..7b947c5 100644
--- a/unittests/ADT/APFloatTest.cpp
+++ b/unittests/ADT/APFloatTest.cpp
@@ -60,6 +60,8 @@
   EXPECT_EQ(0.0,  APFloat(APFloat::IEEEdouble, "0x0000.00000p1234").convertToDouble());
   EXPECT_EQ(0.0,  APFloat(APFloat::IEEEdouble, "0x.00000p1234").convertToDouble());
   EXPECT_EQ(0.0,  APFloat(APFloat::IEEEdouble, "0x0.p1234").convertToDouble());
+  EXPECT_EQ(1.0625,  APFloat(APFloat::IEEEdouble, "0x1.1p0").convertToDouble());
+  EXPECT_EQ(1.0,  APFloat(APFloat::IEEEdouble, "0x1p0").convertToDouble());
 
   EXPECT_EQ(0.0,  APFloat(APFloat::IEEEdouble, StringRef("0e1\02", 3)).convertToDouble());
 }