https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118415
--- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Minimal patch could be
--- gcc/expr.cc.jj 2025-01-08 10:05:24.498994763 +0100
+++ gcc/expr.cc 2025-01-11 13:31:34.608998939 +0100
@@ -14304,12 +14304,17 @@ generate_crc_table (unsigned HOST_WIDE_I
{
gcc_assert (crc_bits <= 64);
- /* Buf size - 24 letters + 6 '_'
+ /* Buf size - 26 letters + 6 '_'
+ 20 numbers (2 for crc bit size + 2 for 0x + 16 for 64-bit polynomial)
+ 1 for \0. */
- char buf[51];
- sprintf (buf, "crc_table_for_crc_%u_polynomial_" HOST_WIDE_INT_PRINT_HEX,
+ char buf[sizeof ("__crc_table_for_crc__polynomial_") + 20];
+ sprintf (buf, "__crc_table_for_crc_%u_polynomial_" HOST_WIDE_INT_PRINT_HEX,
crc_bits, polynom);
+#if !defined (NO_DOT_IN_LABEL)
+ buf[sizeof ("__crc_table") - 1] = '.';
+#elif !defined (NO_DOLLAR_IN_LABEL)
+ buf[sizeof ("__crc_table") - 1] = '$';
+#endif
tree id = maybe_get_identifier (buf);
if (id)
though that is solely about the name.
I'm really surprised by
if (TREE_PUBLIC (id))
{
TREE_PUBLIC (decl) = 1;
make_decl_one_only (decl, DECL_ASSEMBLER_NAME (decl));
}
since when IDENTIFIER_NODE should have TREE_PUBLIC set on it and what would do
that?
