Fix hashed error with typedef inside block, bug948.

Changes

@@ -17,6 +17,8 @@ indicates the contributor was also the author of the fix; Thanks!
 
 ****  Fix $fopen with SV string, bug947. [Sven Stucki]
 
+****  Fix hashed error with typedef inside block, bug948. [Sven Stucki]
+
 
 * Verilator 3.874 2015-06-06
 

src/V3Hashed.cpp

@@ -89,6 +89,7 @@ private:
     //--------------------
     // Default: Just iterate
     virtual void visit(AstVar*, AstNUser*) {}
+    virtual void visit(AstTypedef*, AstNUser*) {}
     virtual void visit(AstNode* nodep, AstNUser*) {
 	nodeHashIterate(nodep);
     }

test_regress/t/t_typedef.v

@@ -25,6 +25,13 @@ program t;
 //reg [SIZE-1:0] a; initial a =0;
 //reg [SIZE-1:0] b; initial b =0;
 
+   initial begin
+      typedef logic [3:0][7:0] instr_mem_t;
+      instr_mem_t a;
+      a[0] = 8'h12;
+      if (a[0] != 8'h12) $stop;
+   end
+
    integer j;
    initial begin
       for (j=0;j<=(1<<SIZE);j=j+1) begin