1 /* { dg-options "-g3 -O" } */
2 /* { dg-do compile } */
3 
4 /* Here's the deal: f4 is inlined into main, f3 is inlined into f4, f2 is
5    inlined into f1. The DIE of main should contain DW_TAG_inlined_subroutines
6    children for f4, f3, f2 and f1. Also, there should be a DIE representing
7    and out of line instance of f4, aside the DIE representing its abstract
8    instance.
9    We used to fail to emit debugging info for t1, because it was moved
10    inside the (inlined) block of f1, marked as abstract, then we'd crash.  */
11 
12 #define UNUSED __attribute__((unused))
13 #define EXT __extension__
14 
15 int undef(void);
16 
17 inline static void
f1(int i UNUSED)18 f1 (int i UNUSED)
19 {
20 }
21 
22 inline static void
f2(void)23 f2 (void)
24 {
25   f1 (EXT ({ int t1 UNUSED; undef (); }));
26 }
27 
28 inline static void
f3(void)29 f3 (void)
30 {
31   int v1 UNUSED;
32   int v2 UNUSED;
33 
34   EXT ({ int t2 UNUSED; if (0) undef (); 0; })
35     && EXT ({ int t3 UNUSED; if (0) undef (); 0; });
36 
37   if (1)
38     {
39       undef ();
40       if (1)
41         f2 ();
42     }
43 
44   {
45     undef ();
46   }
47 }
48 
49 inline static void
f4(void)50 f4 (void)
51 {
52   EXT ({ undef (); 1; }) && EXT ({ int t4 UNUSED = ({ 1; }); 1; });
53 
54   { }
55 
56   EXT ({ int t5 UNUSED; if (0) undef (); 0; });
57 
58   f4 ();
59 
60   undef ();
61   f3 ();
62 
63   return;
64 }
65 
66 int
main()67 main ()
68 {
69     int foo = 1;
70     f4 ();
71 }
72