From 445208086121ea343bdb80a9998637361c841bea Mon Sep 17 00:00:00 2001
From: Zachary Snow <zach@zachjs.com>
Date: Mon, 10 May 2021 11:06:02 -0400
Subject: [PATCH] sv: check validity of package end label

---
 frontends/verilog/verilog_parser.y |  2 ++
 tests/verilog/package_end_label.ys | 15 +++++++++++++++
 2 files changed, 17 insertions(+)
 create mode 100644 tests/verilog/package_end_label.ys

diff --git a/frontends/verilog/verilog_parser.y b/frontends/verilog/verilog_parser.y
index e4b3258c2..dd25f412f 100644
--- a/frontends/verilog/verilog_parser.y
+++ b/frontends/verilog/verilog_parser.y
@@ -579,6 +579,8 @@ package:
 		append_attr(mod, $1);
 	} ';' package_body TOK_ENDPACKAGE opt_label {
 		ast_stack.pop_back();
+		if ($4 != NULL && $9 != NULL && *$4 != *$9)
+			frontend_verilog_yyerror("Package name (%s) and end label (%s) don't match.", $4->c_str()+1, $9->c_str()+1);
 		current_ast_mod = NULL;
 		exitTypeScope();
 	};
diff --git a/tests/verilog/package_end_label.ys b/tests/verilog/package_end_label.ys
new file mode 100644
index 000000000..ccc5c96e9
--- /dev/null
+++ b/tests/verilog/package_end_label.ys
@@ -0,0 +1,15 @@
+logger -expect-no-warnings
+read_verilog -sv <<EOF
+package correct_name;
+localparam X = 1;
+endpackage : correct_name
+EOF
+
+design -reset
+
+logger -expect error "Package name \(correct_name\) and end label \(incorrect_name\) don't match\." 1
+read_verilog -sv <<EOF
+package correct_name;
+localparam X = 1;
+endpackage : incorrect_name
+EOF
-- 
2.30.2