Added a function call case that generates sink nodes.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@57240 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/GRExprEngine.cpp b/lib/Analysis/GRExprEngine.cpp
index 1c3a170..a6b5013 100644
--- a/lib/Analysis/GRExprEngine.cpp
+++ b/lib/Analysis/GRExprEngine.cpp
@@ -1131,6 +1131,12 @@
 
           case 5:
             if (!memcmp(s, "panic", 5)) Builder->BuildSinks = true;
+            else if (!memcmp(s, "error", 5)) {
+              Expr* Arg = *CE->arg_begin();
+              if (IntegerLiteral* IL = dyn_cast<IntegerLiteral>(Arg))
+                if (IL->getValue() != 0)
+                  Builder->BuildSinks = true;
+            }
             break;
           
           case 6: