Hi!

As discussed yesterday, stream_input_location_now has been used in 3
remaining places.  For ERT_MUST_NOT_THROW, I believe the failure_loc
location is stable at least until the apply_cache after the bbs are all
read, and the locations do not include BLOCK, so we can use normal
stream_input_location, and the two input_struct_function_base also
shouldn't include BLOCK and are stable at least until that same apply_cache
after reading all bbs, so again we can use the location cache.

Bootstrapped/regtested on x86_64-linux and i686-linux, and lto bootstrapped
on x86_64-linux, ok for trunk?

2020-09-03  Jakub Jelinek  <ja...@redhat.com>

        * lto-streamer.h (stream_input_location_now): Remove declaration.
        * lto-streamer-in.c (stream_input_location_now): Remove.
        (input_eh_region, input_struct_function_base): Use
        stream_input_location instead of stream_input_location_now.

--- gcc/lto-streamer.h.jj       2020-09-03 20:10:13.753993705 +0200
+++ gcc/lto-streamer.h  2020-09-03 20:18:59.209362865 +0200
@@ -853,8 +853,6 @@ extern class data_in *lto_data_in_create
 extern void lto_data_in_delete (class data_in *);
 extern void lto_input_data_block (class lto_input_block *, void *, size_t);
 void lto_input_location (location_t *, struct bitpack_d *, class data_in *);
-location_t stream_input_location_now (struct bitpack_d *bp,
-                                     class data_in *data);
 tree lto_input_tree_ref (class lto_input_block *, class data_in *,
                         struct function *, enum LTO_tags);
 void lto_tag_check_set (enum LTO_tags, int, ...);
--- gcc/lto-streamer-in.c.jj    2020-09-03 20:10:13.751993734 +0200
+++ gcc/lto-streamer-in.c       2020-09-03 20:20:03.307432156 +0200
@@ -351,19 +351,6 @@ lto_input_location (location_t *loc, str
   data_in->location_cache.input_location (loc, bp, data_in);
 }
 
-/* Read location and return it instead of going through location caching.
-   This should be used only when the resulting location is not going to be
-   discarded.  */
-
-location_t
-stream_input_location_now (struct bitpack_d *bp, class data_in *data_in)
-{
-  location_t loc;
-  stream_input_location (&loc, bp, data_in);
-  data_in->location_cache.apply_location_cache ();
-  return loc;
-}
-
 /* Read a reference to a tree node from DATA_IN using input block IB.
    TAG is the expected node that should be found in IB, if TAG belongs
    to one of the indexable trees, expect to read a reference index to
@@ -527,8 +514,8 @@ input_eh_region (class lto_input_block *
          r->type = ERT_MUST_NOT_THROW;
          r->u.must_not_throw.failure_decl = stream_read_tree (ib, data_in);
          bitpack_d bp = streamer_read_bitpack (ib);
-         r->u.must_not_throw.failure_loc
-          = stream_input_location_now (&bp, data_in);
+         stream_input_location (&r->u.must_not_throw.failure_loc,
+                                &bp, data_in);
        }
        break;
 
@@ -1059,8 +1046,8 @@ input_struct_function_base (struct funct
   fn->last_clique = bp_unpack_value (&bp, sizeof (short) * 8);
 
   /* Input the function start and end loci.  */
-  fn->function_start_locus = stream_input_location_now (&bp, data_in);
-  fn->function_end_locus = stream_input_location_now (&bp, data_in);
+  stream_input_location (&fn->function_start_locus, &bp, data_in);
+  stream_input_location (&fn->function_end_locus, &bp, data_in);
 
   /* Restore the instance discriminators if present.  */
   int instance_number = bp_unpack_value (&bp, 1);

        Jakub

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