C++: Implement dbartol's suggestion.

2026-05-03 20:58:03 +02:00 · 2024-10-08 14:44:45 +01:00
parent f9fa52fe77
commit 4a131dd8f1
2 changed files with 1 additions and 80 deletions
--- a/cpp/ql/lib/semmle/code/cpp/ir/implementation/aliased_ssa/internal/AliasedSSA.qll
+++ b/cpp/ql/lib/semmle/code/cpp/ir/implementation/aliased_ssa/internal/AliasedSSA.qll
@@ -687,8 +687,7 @@ private Overlap getExtentOverlap(MemoryLocation0 def, MemoryLocation0 use) {
    def instanceof EntireAllocationMemoryLocation and
    (
      // EntireAllocationMemoryLocation exactly overlaps itself.
-      use instanceof EntireAllocationMemoryLocation and
-      //def.getAnAllocation() = use.getAnAllocation() and
+      use = def and
      result instanceof MustExactlyOverlap
      or
      not use instanceof EntireAllocationMemoryLocation and