| /* PR tree-optimization/86400 - set<string>::set<char (*)[2]) constructor |
| does not work with array argument |
| Verify that strlen() calls with one-character array elements of |
| multidimensional arrays are still folded. |
| { dg-do compile } |
| { dg-options "-O2 -Wall -fdump-tree-optimized" } */ |
| |
| #include "strlenopt.h" |
| |
| void f (void) |
| { |
| extern char a[2][1]; |
| int n = strlen (a[1]); |
| if (n >= sizeof a) |
| abort(); |
| } |
| |
| void g (void) |
| { |
| extern char b[3][2][1]; |
| int n = strlen (b[2][1]); |
| if (n >= sizeof b) |
| abort(); |
| } |
| |
| void h (void) |
| { |
| extern char c[4][3][2][1]; |
| int n = strlen (c[3][2][1]); |
| if (n >= sizeof c) |
| abort(); |
| } |
| |
| /* { dg-final { scan-tree-dump-times "strlen1" 0 "optimized" } } |
| { dg-final { scan-tree-dump-times "abort" 0 "optimized" } } */ |