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C++: Don't use indirect instructions for asUnitialized.

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Mathias Vorreiter Pedersen
2023-03-07 16:18:27 +00:00
parent ce02de48a0
commit a39a6ea648
1 changed files with 1 additions and 0 deletions
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cpp/ql/lib/semmle/code/cpp/ir/dataflow/internal/DataFlowUtil.qll
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@@ -938,6 +938,7 @@ class UninitializedNode extends Node {
UninitializedNode() { UninitializedNode() {
exists(Ssa::Def def | exists(Ssa::Def def |
def.getIndirectionIndex() = 0 and
def.getValue().asInstruction() instanceof UninitializedInstruction and def.getValue().asInstruction() instanceof UninitializedInstruction and
Ssa::nodeToDefOrUse(this, def, _) and Ssa::nodeToDefOrUse(this, def, _) and
v = def.getSourceVariable().getBaseVariable().(Ssa::BaseIRVariable).getIRVariable().getAst() v = def.getSourceVariable().getBaseVariable().(Ssa::BaseIRVariable).getIRVariable().getAst()