[Bug other/66827] [6 Regression] left shifts of negative value warnings due to C++14 switch

[zeccav at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66827

--- Comment #3 from Vittorio Zecca <zeccav at gmail dot com> ---
(In reply to Mikhail Maltsev from comment #1)
> gcc/haifa-sched.c:1164:24
> gcc/haifa-sched.c:1442:26
> gcc/sched-deps.c:112:20
> 
> are caused by the following macro definition in gcc/sched-int.h:243:
> #define UNKNOWN_DEP_COST (-1<<19)

I fixed this one with

#define UNKNOWN_DEP_COST (-1u<<19)