From 12fa085b26dd6aed5d25281a7732da7238b101b7 Mon Sep 17 00:00:00 2001
From: Wilson Snyder <wsnyder@wsnyder.org>
Date: Mon, 30 Sep 2019 19:22:14 -0400
Subject: [PATCH] Fix misc bad-syntax crashes, bug1529.

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

diff --git a/Changes b/Changes
index 2f0c32823..6f43b38a6 100644
--- a/Changes
+++ b/Changes
@@ -22,7 +22,7 @@ The contributors that suggested a given feature are shown in []. Thanks!
 
 ****  Fix ugly error on interface misuse, bug1525. [Bogdan Vukobratovic]
 
-****  Fix misc bad-syntax crashes, bug1532. [Eric Rippey]
+****  Fix misc bad-syntax crashes, bug1529, bug1532. [Eric Rippey]
 
 
 * Verilator 4.018 2019-08-29
diff --git a/src/verilog.y b/src/verilog.y
index bb2dc844c..06a99cb05 100644
--- a/src/verilog.y
+++ b/src/verilog.y
@@ -2694,7 +2694,7 @@ patternList<nodep>:		// IEEE: part of pattern
 	;
 
 patternOne<nodep>:		// IEEE: part of pattern
-		expr					{ $$ = new AstPatMember($1->fileline(),$1,NULL,NULL); }
+		expr					{ if ($1) { $$ = new AstPatMember($1->fileline(),$1,NULL,NULL); } else { $$=NULL; } }
 	|	expr '{' argsExprList '}'		{ $$ = new AstPatMember($2,$3,NULL,$1); }
 	|	patternNoExpr				{ $$ = $1; }
 	;