1 files changed, 28 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/cpp/trad/literals-1.c b/gcc/testsuite/gcc.dg/cpp/trad/literals-1.c
new file mode 100644
index 000000000..15c8030fa
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/cpp/trad/literals-1.c
@@ -0,0 +1,28 @@
+/* Test that (what looks like) comments are not recognized in literals
+   and that quotes within quotes do not confused the preprocessor.  */
+
+/* { dg-do run } */
+
+extern void abort (void);
+
+int main ()
+{
+  const char *str1 = "/*";
+  const char *str2 = "'";
+
+  if (str1[0] != '/' || str1[1] != '*' || str1[2] != '\0')
+    abort ();
+
+  if (str2[0] != '\'' || str2[1] != '\0')
+    abort ();
+
+#if '"' != '\"'
+#  error /* { dg-bogus "error" "double quote in charconst" } */
+#endif
+
+#if !'\''
+#  error quote /* { dg-bogus "quote" "quote in charconst" } */
+#endif
+
+  return 0;
+}