Fix a tranche of comment, test and doc typos

llvm-svn: 196510
diff --git a/clang/lib/CodeGen/CGDecl.cpp b/clang/lib/CodeGen/CGDecl.cpp
index 374cd02..e87be5f 100644
--- a/clang/lib/CodeGen/CGDecl.cpp
+++ b/clang/lib/CodeGen/CGDecl.cpp
@@ -823,7 +823,7 @@
 }
 
 /// EmitAutoVarAlloca - Emit the alloca and debug information for a
-/// local variable.  Does not emit initalization or destruction.
+/// local variable.  Does not emit initialization or destruction.
 CodeGenFunction::AutoVarEmission
 CodeGenFunction::EmitAutoVarAlloca(const VarDecl &D) {
   QualType Ty = D.getType();