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[Bug middle-end/79399] GCC fails to compile big source at -O0


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79399

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Ok, then I guess I'll just bootstrap/regtest my patch, it is a way forward
without testing it further.

Actually:
2017-02-07  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/79399
        * ira-int.h (struct target_ira_int): Change x_max_struct_costs_size
        type from int to size_t.

--- gcc/ira-int.h.jj    2017-01-01 12:45:39.000000000 +0100
+++ gcc/ira-int.h       2017-02-07 09:29:32.694102809 +0100
@@ -782,7 +782,7 @@ struct target_ira_int {

   /* Initialized once.  It is a maximal possible size of the allocated
      struct costs.  */
-  int x_max_struct_costs_size;
+  size_t x_max_struct_costs_size;

   /* Allocated and initialized once, and used to initialize cost values
      for each insn.  */

is better, this field is followed by a pointer, so it just uses a padding on
64-bit hosts for something useful and on 32-bit hosts won't make any changes.

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