From: Jeff Wang <jjj11x@gmail.com>
Date: Tue, 7 Apr 2020 06:30:11 +0000 (-0400)
Subject: duplicated enum item names should result in an error
X-Git-Tag: working-ls180~662^2
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=dbfd6b75305f6006a0c1e1d150c291875e5451d5;p=yosys.git

duplicated enum item names should result in an error
---

diff --git a/frontends/ast/simplify.cc b/frontends/ast/simplify.cc
index b87af0f8c..3fde26fab 100644
--- a/frontends/ast/simplify.cc
+++ b/frontends/ast/simplify.cc
@@ -420,9 +420,10 @@ bool AstNode::simplify(bool const_fold, bool at_zero, bool in_lvalue, int stage,
 				current_scope[node->str] = node;
 				for (auto enode : node->children) {
 					log_assert(enode->type==AST_ENUM_ITEM);
-					if (current_scope.count(enode->str) == 0) {
+					if (current_scope.count(enode->str) == 0)
 						current_scope[enode->str] = enode;
-					}
+					else
+						log_file_error(filename, location.first_line, "enum item %s already exists\n", enode->str.c_str());
 				}
 			}
 		}