From 2ab819aef0ccf74949d510cac2d56695da8aa82a Mon Sep 17 00:00:00 2001
From: Wilson Snyder <wsnyder@wsnyder.org>
Date: Mon, 28 Oct 2019 18:46:13 -0400
Subject: [PATCH] Fix bad-syntax crashes, bug1573

---
 Changes       | 3 ++-
 src/verilog.y | 3 ++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/Changes b/Changes
index 05e6c30f5..e358b1874 100644
--- a/Changes
+++ b/Changes
@@ -24,7 +24,8 @@ The contributors that suggested a given feature are shown in []. Thanks!
 
 ****  Fix multithreaded yield behavior when no work.  [Patrick Stewart]
 
-****  Fix bad-syntax crashes, bug1548, bug1550-1553, bug1557-1560, bug1563. [Eric Rippey]
+****  Fix bad-syntax crashes, bug1548, bug1550-1553, bug1557-1560, bug1563,
+      bug1573. [Eric Rippey]
 
 ****  Benchmark --protect-lib runtime, bug1519. [Todd Strader]
 
diff --git a/src/verilog.y b/src/verilog.y
index d3520f433..ad940f677 100644
--- a/src/verilog.y
+++ b/src/verilog.y
@@ -1547,7 +1547,8 @@ member_decl_assignment<memberp>:	// Derived from IEEE: variable_decl_assignment
                           PARSEP->tagNodep($$);
                           }
 	|	id variable_dimensionListE '=' variable_declExpr
-			{ $4->v3error("Unsupported: Initial values in struct/union members."); }
+			{ $4->v3error("Unsupported: Initial values in struct/union members.");
+			  $$ = NULL; }
 	|	idSVKwd					{ $$ = NULL; }
 	//
 	//			// IEEE: "dynamic_array_variable_identifier '[' ']' [ '=' dynamic_array_new ]"