Remove glibc specific functions, and mark a couple as C99


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22384 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/BasicAliasAnalysis.cpp b/lib/Analysis/BasicAliasAnalysis.cpp
index 3c0f0f6..0b80e92 100644
--- a/lib/Analysis/BasicAliasAnalysis.cpp
+++ b/lib/Analysis/BasicAliasAnalysis.cpp
@@ -740,10 +740,8 @@
   "nexttoward", "nexttowardf", "nexttowardd",
   "nextafter", "nextafterf", "nextafterd",
 
-  // glibc functions:
-  "__fpclassify", "__fpclassifyf", "__fpclassifyl",
+  // ISO C99:
   "__signbit", "__signbitf", "__signbitl",
-  "__errno_location",
 };
 
 static const unsigned DAMTableSize =