1 files changed, 20 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/cpp/escape-2.c b/gcc/testsuite/gcc.dg/cpp/escape-2.c
new file mode 100644
index 000000000..902fad3a2
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/cpp/escape-2.c
@@ -0,0 +1,20 @@
+/* Copyright (C) 2001 Free Software Foundation, Inc.  */
+
+/* { dg-do compile } */
+/* { dg-options "-pedantic -std=c99" } */
+
+/* This tests various diagnostics with -pedantic about escape
+   sequences, for both the preprocessor and the compiler.
+
+   Neil Booth, 22 May 2001.  */
+
+#if '\e'		/* { dg-warning "non-ISO" "non-ISO \\e" } */
+#endif
+#if L'\u00a0'		/* { dg-bogus "unknown" "\\u is known in C99" } */
+#endif
+
+void foo ()
+{
+  int c = '\E';		/* { dg-warning "non-ISO" "non-ISO \\E" } */
+  c = L'\u00a0';	/* { dg-bogus "unknown" "\\u is known in C99" } */
+}