Merge pull request #967 from hvitved/csharp/ssa/block-precedes-var

C#: Use explict recursion in `blockPrecedesVar()`
2026-04-30 11:15:13 +02:00 · 2019-02-22 14:08:26 +00:00
parent e93140d136 f02ef51459
commit cd721f38b8
1 changed files with 3 additions and 1 deletions
--- a/csharp/ql/src/semmle/code/csharp/dataflow/SSA.qll
+++ b/csharp/ql/src/semmle/code/csharp/dataflow/SSA.qll
@@ -670,7 +670,9 @@ module Ssa {

    /** Holds if `v` occurs in `bb` or one of `bb`'s transitive successors. */
    private predicate blockPrecedesVar(TrackedVar v, BasicBlock bb) {
-      varOccursInBlock(v, bb.getASuccessor*())
+      varOccursInBlock(v, bb)
+      or
+      blockPrecedesVar(v, bb.getASuccessor())
    }

    /**