re PR preprocessor/71681 (header.gcc file lookup is broken for -remap)

2016-10-21  Andris Pavenis  <andris.pavenis@iki.fi>

	PR preprocessor/71681
	* gcc.dg/cpp/pr71681-1.c: New testcase
	* gcc.dg/cpp/pr71681-2.c: Likewise
	* gcc.dg/cpp/remap/header.gcc: File for added test-cases
	* gcc.dg/cpp/remap/a/header.gcc: Likewise
	* gcc.dg/cpp/remap/a/t_1.h: Likewise
	* gcc.dg/cpp/remap/a/t_2.h: Likewise

From-SVN: r241415

gcc/testsuite/ChangeLog

+2016-10-21  Andris Pavenis  <andris.pavenis@iki.fi>
+
+	PR preprocessor/71681
+	* gcc.dg/cpp/pr71681-1.c: New testcase
+	* gcc.dg/cpp/pr71681-2.c: Likewise
+	* gcc.dg/cpp/remap/header.gcc: File for added test-cases
+	* gcc.dg/cpp/remap/a/header.gcc: Likewise
+	* gcc.dg/cpp/remap/a/t_1.h: Likewise
+	* gcc.dg/cpp/remap/a/t_2.h: Likewise
+
 2016-10-21  Jakub Jelinek  <jakub@redhat.com>
 
 	PR target/78057

gcc/testsuite/gcc.dg/cpp/pr71681-1.c

+// PR preprocessor/71681
+// { dg-do preprocess }
+// { dg-options "-remap -I$srcdir/gcc.dg/cpp/remap" }
+
+#include "a/t1.h"

gcc/testsuite/gcc.dg/cpp/pr71681-2.c

+// PR preprocessor/71681
+// { dg-do preprocess }
+// { dg-options "-remap -I$srcdir/gcc.dg/cpp/remap" }
+
+#include "a/t2.h"

gcc/testsuite/gcc.dg/cpp/remap/a/header.gcc

+t2.h t_2.h

gcc/testsuite/gcc.dg/cpp/remap/a/t_1.h

+/* Test file for cpp option -remap test */
\ No newline at end of file

gcc/testsuite/gcc.dg/cpp/remap/a/t_2.h

+/* Test file for cpp option -remap test */
\ No newline at end of file

gcc/testsuite/gcc.dg/cpp/remap/header.gcc

+a/t1.h a/t_1.h