[Bug middle-end/81737] [8 Regression] 164.gzip in SPEC CPU 2000 failed to build

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81737

Marek Polacek <mpolacek at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |mpolacek at gcc dot gnu.org

--- Comment #2 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Untested, but this should fix it:

--- a/gcc/fold-const.c
+++ b/gcc/fold-const.c
@@ -14107,8 +14107,10 @@ fold_indirect_ref_1 (location_t loc, tree type, tree
op0)
           && type == TREE_TYPE (op00type))
        {
          tree type_domain = TYPE_DOMAIN (op00type);
-         tree min = TYPE_MIN_VALUE (type_domain);
-         if (min && TREE_CODE (min) == INTEGER_CST)
+         tree min;
+         if (type_domain != NULL_TREE
+         && (min = TYPE_MIN_VALUE (type_domain))
+         && TREE_CODE (min) == INTEGER_CST)
        {
          offset_int off = wi::to_offset (op01);
          offset_int el_sz = wi::to_offset (TYPE_SIZE_UNIT (type));