| /* { dg-additional-options "-fcompare-debug" } */ |
| /* PR tree-optimization/116156 */ |
| |
| /* Forwprop used to delete an unused statement |
| but only with debug statements around. */ |
| |
| struct jpeg_compress_struct { |
| int X_density; |
| }; |
| void gg(); |
| int h(const char*,const char*) __attribute((pure)); |
| int h1(const char*) __attribute((pure)); |
| int f1() __attribute__((returns_twice)); |
| void real_save_jpeg(char **keys, char *values) { |
| struct jpeg_compress_struct cinfo; |
| int x_density = 0; |
| while (*keys) |
| { |
| if (h1(*keys) == 0) |
| gg(); |
| if (h1(*keys) == 0) { |
| if (!*values) |
| x_density = -1; |
| if (x_density <= 0) |
| gg(); |
| } |
| } |
| if (f1()) |
| cinfo.X_density = x_density; |
| } |
