Fixed merging of compatible wire decls in AST frontend

diff --git a/frontends/ast/simplify.cc b/frontends/ast/simplify.cc
index 72d90e4aef9dd796a2831dd998022ca4a9018eb6..a20aacff53d4af4e2db219761c10996149ecdabc 100644 (file)
--- a/frontends/ast/simplify.cc
+++ b/frontends/ast/simplify.cc
@@ -206,10 +206,13 @@ bool AstNode::simplify(bool const_fold, bool at_zero, bool in_lvalue, int stage,
                                        did_something = true;
                                        delete node;
                                        continue;
+                               wires_are_incompatible:
+                                       if (stage > 1)
+                                               log_error("Incompatible re-declaration of wire %s at %s:%d.\n", node->str.c_str(), filename.c_str(), linenum);
+                                       continue;
                                }
                                this_wire_scope[node->str] = node;
                        }
-               wires_are_incompatible:
                        if (node->type == AST_PARAMETER || node->type == AST_LOCALPARAM || node->type == AST_WIRE || node->type == AST_AUTOWIRE || node->type == AST_GENVAR ||
                                        node->type == AST_MEMORY || node->type == AST_FUNCTION || node->type == AST_TASK || node->type == AST_CELL) {
                                backup_scope[node->str] = current_scope[node->str];