C++: Add change note.

MathiasVP · MathiasVP · commit 772d5eaccafc · 2021-04-26T09:55:32.000+02:00
diff --git a/cpp/change-notes/2021-26-04-more-sound-expr-might-overflow.md b/cpp/change-notes/2021-26-04-more-sound-expr-might-overflow.md
@@ -0,0 +1,2 @@
+lgtm,codescanning
+* The `exprMightOverflowPositively` and `exprMightOverflowNegatively` predicates from the `SimpleRangeAnalysis` library now recognize more expressions that might overflow.

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,2 @@`
	`1`	`+lgtm,codescanning`
	`2`	+* The `exprMightOverflowPositively` and `exprMightOverflowNegatively` predicates from the `SimpleRangeAnalysis` library now recognize more expressions that might overflow.