Concretize gimple_call_set_nothrow
This corresponds to:
[PATCH 78/89] Concretize gimple_call_set_nothrow
https://gcc.gnu.org/ml/gcc-patches/2014-04/msg01184.html
from the original 89-patch kit
That earlier patch was approved by Jeff:
> OK once prerequisites have gone in.
in https://gcc.gnu.org/ml/gcc-patches/2014-05/msg00837.html
gcc/
* gimple.h (gimple_call_set_nothrow): Require a gimple_call.
* trans-mem.c (ipa_tm_insert_gettmclone_call): Likewise.
(ipa_tm_transform_calls_redirect): Add checked cast to gimple call; this
is only called for gsi on a GIMPLE_CALL statement.