Fixed handling of unsized constants in verilog frontend

diff --git a/frontends/verilog/const2ast.cc b/frontends/verilog/const2ast.cc
index e38ff2047c9f6aa7be12c5374c6202dc2d18f5b2..c95ce5dc4a97af7c83320c65ec60f22cceb05e35 100644 (file)
--- a/frontends/verilog/const2ast.cc
+++ b/frontends/verilog/const2ast.cc
@@ -99,7 +99,7 @@ static void my_strtobin(std::vector<RTLIL::State> &data, const char *str, int le
 
        int bits_per_digit = my_ilog2(base-1);
        if (len_in_bits < 0)
-               len_in_bits = digits.size() * bits_per_digit;
+               len_in_bits = std::max<int>(digits.size() * bits_per_digit, 32);
 
        data.clear();
        data.resize(len_in_bits);
@@ -157,7 +157,7 @@ AstNode *VERILOG_FRONTEND::const2ast(std::string code, char case_type)
        if (*endptr == 0)
                return AstNode::mkconst_int(intval, true);
        
-       // variable length constant
+       // unsized constant
        if (str == endptr)
                intval = -1;