* gcc.dg/cpp/cmdlne-P.c: New test.

From-SVN: r38360

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 89b951866eb2d982ed44b86fb883e074d7418329..1ebf446d6ac640d08d59b25bef378571567425f7 100644 (file)
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2000-12-18  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * gcc.dg/cpp/cmdlne-P.c: New test.
+
 2000-12-18  Joseph S. Myers  <jsm28@cam.ac.uk>
 
        * gcc.c-torture/execute/builtin-abs-1.c,

diff --git a/gcc/testsuite/gcc.dg/cpp/cmdlne-P.c b/gcc/testsuite/gcc.dg/cpp/cmdlne-P.c
new file mode 100644 (file)
index 0000000..117c0ef
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/cpp/cmdlne-P.c
@@ -0,0 +1,13 @@
+/* Copyright (C) 2000 Free Software Foundation, Inc.  */
+
+/* { dg-do preprocess } */
+/* { dg-options "-P" } */
+
+/* Test that we don't stair-step output with -P.  Source: Neil Booth,
+   18 Dec 2000.  */
+
+int x = 1;
+
+/* { dg-final { if ![file exists cmdlne-P.i] { return }                } }
+   { dg-final { if { [grep cmdlne-P.i "^int x = 1;$"] != "" } { return } } }
+   { dg-final { fail "cmdlne-P.c: stair-stepping with -P"              } } */