[Attr] Merge two dependent tests from different directories

Suggested at: https://reviews.llvm.org/D43248

llvm-svn: 327456

clang/test/Frontend/ast-attr.cpp

@@ -1,5 +0,0 @@
-// RUN: %clang -emit-ast -o %t.ast %S/../Sema/attr-print.cpp
-// RUN: %clang_cc1 %t.ast -ast-print | FileCheck %S/../Sema/attr-print.cpp
-
-// %S/../Sema/attr-print.cpp exercises many different attributes, so we reuse
-// it here to check -emit-ast for attributes.

clang/test/Misc/attr-print-emit.cpp

@@ -1,6 +1,6 @@
 // RUN: %clang_cc1 %s -ast-print | FileCheck %s
-
-// This file is also used as input for %S/../Frontend/ast-attr.cpp.
+// RUN: %clang -emit-ast -o %t.ast %s
+// RUN: %clang_cc1 %t.ast -ast-print | FileCheck %s
 
 // CHECK: void xla(int a) __attribute__((xray_log_args(1)));
 void xla(int a) __attribute__((xray_log_args(1)));