From 779747c85e865f4dc7c3ea9076de879cbff4680e Mon Sep 17 00:00:00 2001 From: Zhongxing Xu Date: Fri, 20 Feb 2009 05:19:30 +0000 Subject: [PATCH] Add an example in comments. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@65110 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Analysis/RegionStore.cpp | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/lib/Analysis/RegionStore.cpp b/lib/Analysis/RegionStore.cpp index fe0ae17203..e2a1d36182 100644 --- a/lib/Analysis/RegionStore.cpp +++ b/lib/Analysis/RegionStore.cpp @@ -559,8 +559,13 @@ SVal RegionStoreManager::Retrieve(const GRState* St, Loc L, QualType T) { // of a location but that value is not known. In the future we should // handle potential aliasing relationships; e.g. a loc::SymbolVal could // be an alias for a particular region. - if (isa(L)) + // Example: + // void foo(char* buf) { + // char c = *buf; + // } + if (isa(L)) { return UnknownVal(); + } // FIXME: Is this even possible? Shouldn't this be treated as a null // dereference at a higher level? -- 2.50.1