checker: improve unused label check

vlang · Jul 22, 2022 · d6de533 · d6de533
1 parent 4d3401c
commit d6de533
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Showing 2 changed files with 2 additions and 1 deletion.
diff --git a/vlib/builtin/builtin_windows.c.v b/vlib/builtin/builtin_windows.c.v
@@ -158,7 +158,7 @@ fn print_backtrace_skipping_top_frames_msvc(skipframes int) bool {
 					lnumber := sline64.f_line_number
 					lineinfo = '$file_name:$lnumber'
 				} else {
-					addr:
+					// addr:
 					lineinfo = '?? : address = 0x${(&frame_addr):x}'
 				}
 				sfunc := unsafe { tos3(fname) }

diff --git a/vlib/v/checker/checker.v b/vlib/v/checker/checker.v
@@ -3915,6 +3915,7 @@ fn (mut c Checker) check_unused_labels() {
 		if nr_uses == 0 {
 			// TODO show label's location
 			c.warn('label `$label` defined and not used', token.Pos{})
+			c.goto_labels[label]++ // so that this warning is not shown again
 		}
 	}
 }