update dart:math

tool/sdk_expected_errors.txt

Index: tool/sdk_expected_errors.txt
diff --git a/tool/sdk_expected_errors.txt b/tool/sdk_expected_errors.txt
index 34f12fc87fd407ecac30f112933699188a70f635..4f19bd2edbd9a7f1d19222c5aaf1d55ee3bf0209 100644
--- a/tool/sdk_expected_errors.txt
+++ b/tool/sdk_expected_errors.txt
@@ -170,14 +170,9 @@
 [warning] Unsound implicit cast from (T) → void to (Event) → dynamic (dart:html, line 40113, col 45)
 [warning] Unsound implicit cast from From to To (dart:html, line 42594, col 70)
 [warning] Unsound implicit cast from dynamic to To (dart:indexed_db, line 1205, col 37)
-[warning] Unsound implicit cast from num to T (dart:math/point.dart, line 59, col 25)
-[warning] Unsound implicit cast from num to T (dart:math/point.dart, line 59, col 37)
 [warning] Unsound implicit cast from num to T (dart:math/rectangle.dart, line 151, col 22)
 [warning] Unsound implicit cast from num to T (dart:math/rectangle.dart, line 152, col 23)
-[warning] Unsound implicit cast from num to T (dart:math/rectangle.dart, line 212, col 23)
-[warning] Unsound implicit cast from num to T (dart:math/rectangle.dart, line 213, col 24)
-[warning] Unsound implicit cast from num to T (dart:math/rectangle.dart, line 247, col 28)
-[warning] Unsound implicit cast from num to T (dart:math/rectangle.dart, line 263, col 30)
+[warning] Unsound implicit cast from num to T (dart:math/rectangle.dart, line 275, col 10)
 [warning] The final variables 'href' and 'target' must be initialized (dart:svg, line 60, col 3)
 [warning] The final variables 'requiredExtensions', 'requiredFeatures' and '2' more must be initialized (dart:svg, line 489, col 3)
 [warning] The final variables 'cx', 'cy' and '1' more must be initialized (dart:svg, line 562, col 3)