--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/c-c++-common/raw-string-5.c	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,27 @@
+// { dg-do compile }
+// { dg-options "-std=gnu99" { target c } }
+// { dg-options "-std=c++0x" { target c++ } }
+
+const void *s0 = R"0123456789abcdefg()0123456789abcdefg";
+	// { dg-error "raw string delimiter longer" "longer" { target *-*-* } .-1 }
+	// { dg-error "stray" "stray" { target *-*-* } .-2 }
+const void *s1 = R" () ";
+	// { dg-error "invalid character" "invalid" { target *-*-* } .-1 }
+	// { dg-error "stray" "stray" { target *-*-* } .-2 }
+const void *s2 = R"	()	";
+	// { dg-error "invalid character" "invalid" { target *-*-* } .-1 }
+	// { dg-error "stray" "stray" { target *-*-* } .-2 }
+const void *s3 = R")())";
+	// { dg-error "invalid character" "invalid" { target *-*-* } .-1 }
+	// { dg-error "stray" "stray" { target *-*-* } .-2 }
+const void *s4 = R"@()@";
+	// { dg-error "invalid character" "invalid" { target *-*-* } .-1 }
+	// { dg-error "stray" "stray" { target *-*-* } .-2 }
+const void *s5 = R"$()$";
+	// { dg-error "invalid character" "invalid" { target *-*-* } .-1 }
+	// { dg-error "stray" "stray" { target *-*-* } .-2 }
+const void *s6 = R"\u0040()\u0040";
+	// { dg-error "invalid character" "invalid" { target *-*-* } .-1 }
+	// { dg-error "stray" "stray" { target *-*-* } .-2 }
+
+int main () {}