1 // PR c++/61038
2 // { dg-do compile { target c++11 } }
3 
4 #include <cstring>
5 #include <cstdlib>
6 
7 void
8 operator "" _s(const char *, size_t)
9 { }
10 
11 void
12 operator "" _t(const char)
13 { }
14 
15 #define QUOTE(s) #s
16 #define QQUOTE(s) QUOTE(s)
17 
18 int
main()19 main()
20 {
21   const char *s = QQUOTE(QUOTE("hello"_s));
22   const char *t = QUOTE("\"hello\"_s");
23   if (strcmp(s, t) != 0)
24     abort();
25 
26   const char *c = QQUOTE(QUOTE('"'_t));
27   const char *d = QUOTE("'\"'_t");
28   if (strcmp(c, d) != 0)
29     abort();
30 
31   const char *e = QQUOTE(QUOTE('\''_t));
32   const char *f = QUOTE("'\\''_t");
33   if (strcmp(e, f) != 0)
34     abort();
35 
36   const char *g = QQUOTE(QUOTE('\\'_t));
37   const char *h = QUOTE("'\\\\'_t");
38   if (strcmp(g, h) != 0)
39     abort();
40 }
41