define_corners require at least 1 corner

Signed-off-by: James Cherry <cherry@parallaxsw.com>
2024-05-12 16:00:03 -07:00 · 2024-05-12 16:00:03 -07:00 · e448ed3dea
parent 05e38d730a
commit e448ed3dea
1 changed files with 3 additions and 0 deletions
--- a/tcl/Sdc.tcl
+++ b/tcl/Sdc.tcl
@ -3666,6 +3666,9 @@ proc define_corners { args } {
  if { [get_libs -quiet *] != {} } {
    sta_error 482 "define_corners must be called before read_liberty."
  }
+  if { [llength $args] == 0 } { 
+    sta_error 577 "define_corners must define at least one corner."
+  }
  define_corners_cmd $args
 }