diff options
Diffstat (limited to 'src/vhdl')
| -rw-r--r-- | src/vhdl/parse.adb | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/vhdl/parse.adb b/src/vhdl/parse.adb index 7d4598a4a..fc9dae4db 100644 --- a/src/vhdl/parse.adb +++ b/src/vhdl/parse.adb @@ -5542,7 +5542,10 @@ package body Parse is Parse_Options (Res); Wf := Parse_Conditional_Waveforms; - if Get_Kind (Wf) = Iir_Kind_Conditional_Waveform then + -- WF can be Null_Iir if the waveform is simply 'unaffected'. + if Wf /= Null_Iir + and then Get_Kind (Wf) = Iir_Kind_Conditional_Waveform + then N_Res := Create_Iir (Iir_Kind_Concurrent_Conditional_Signal_Assignment); if Get_Guard (Res) /= Null_Iir then |