gcc/testsuite/gcc.dg/pr83801.c

   1 /* PR c/83801 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O2 -fdump-tree-original" } */
   4
   5 static const char a[] = "01234567890123456789012345678901234567890123456789012345678901234567890123456789";
   6 static const char b = a[27];
   7 struct S { const char c[30]; const char d[30]; };
   8 static const struct S e[] = { { "01234567890123456789012345678", "90123456789012345678901234567" },
   9                               { "89012345678901234567890123456", "78901234567890123456789012345" } };
  10 static const char f = e[1].c[4];
  11
  12 char
  13 foo (int i)
  14 {
  15   return a[i];
  16 }
  17
  18 char
  19 bar (int i)
  20 {
  21   return e[0].d[i];
  22 }
  23
  24 /* { dg-final { scan-tree-dump {a\[i]} "original" } } */
  25 /* { dg-final { scan-tree-dump-not {"01234567890123456789012345678901234567890123456789012345678901234567890123456789"\[i]} "original" } } */
  26 /* { dg-final { scan-tree-dump {e\[0]\.d\[i]} "original" } } */
  27 /* { dg-final { scan-tree-dump-not {"90123456789012345678901234567"\[i]} "original" } } */