https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120702
--- Comment #10 from Visda <Visda.vokhshoori at microchip dot com> ---
adding this amount of code in fold_ctor_reference () circumvents forward
propagating large, (>128 characters), string literals.
--- a/gcc/gimple-fold.cc
+++ b/gcc/gimple-fold.cc
@@ -8122,7 +8122,9 @@ fold_ctor_reference (tree type, tree ctor, const
poly_uint64 &poly_offset,
/* We found the field with exact match. */
if (type
&& useless_type_conversion_p (type, TREE_TYPE (ctor))
- && known_eq (poly_offset, 0U))
+ && known_eq (poly_offset, 0U)
+ && (TREE_CODE (ctor) != STRING_CST
+ || TREE_STRING_LENGTH (ctor) <= MAX_BITSIZE_MODE_ANY_MODE /
BITS_PER_UNIT))
return canonicalize_constructor_val (unshare_expr (ctor), from_decl);
looking for feedback. thanks.
