revert my bogus attempt to fix the comment. sorry for the noise.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@53248 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AST/Expr.cpp b/lib/AST/Expr.cpp
index 8d9bbcb..de0c740 100644
--- a/lib/AST/Expr.cpp
+++ b/lib/AST/Expr.cpp
@@ -670,7 +670,7 @@
 /// expression. The generalization of the wording to include any subexpression
 /// that is not evaluated (C99 6.6p3) means that nonconstant subexpressions
 /// can appear as operands to other operators (e.g. &&, ||, ?:). For instance,
-/// "1 || f()" can be treated as a constant expression. In C90 this expression,
+/// "0 || f()" can be treated as a constant expression. In C90 this expression,
 /// occurring in a context requiring a constant, would have been a constraint
 /// violation. FIXME: This routine currently implements C90 semantics.
 /// To properly implement C99 semantics this routine will need to evaluate