nixpkgs/pkgs/os-specific/linux/minimal-bootstrap/tinycc/ignore-duplicate-symbols.patch

--- tccelf.c
+++ tccelf.c
@@ -710,8 +710,9 @@ ST_FUNC int set_elf_sym(Section *s, addr_t value, unsigned long size,
 #if 0
                 printf("new_bind=%x new_shndx=%x new_vis=%x old_bind=%x old_shndx=%x old_vis=%x\n",
                        sym_bind, shndx, new_vis, esym_bind, esym->st_shndx, esym_vis);
-#endif
                 tcc_error_noabort("'%s' defined twice", name);
+#endif
+                goto do_patch;
             }
         } else {
             esym->st_other = other;