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-rw-r--r--clang/lib/StaticAnalyzer/Core/MemRegion.cpp25
1 files changed, 13 insertions, 12 deletions
diff --git a/clang/lib/StaticAnalyzer/Core/MemRegion.cpp b/clang/lib/StaticAnalyzer/Core/MemRegion.cpp
index 632a381a398..ad3f396e39a 100644
--- a/clang/lib/StaticAnalyzer/Core/MemRegion.cpp
+++ b/clang/lib/StaticAnalyzer/Core/MemRegion.cpp
@@ -1177,6 +1177,7 @@ RegionRawOffset ElementRegion::getAsArrayOffset() const {
/// Returns true if \p Base is an immediate base class of \p Child
static bool isImmediateBase(const CXXRecordDecl *Child,
const CXXRecordDecl *Base) {
+ assert(Child && "Child must not be null");
// Note that we do NOT canonicalize the base class here, because
// ASTRecordLayout doesn't either. If that leads us down the wrong path,
// so be it; at least we won't crash.
@@ -1256,18 +1257,18 @@ RegionOffset MemRegion::getAsOffset() const {
if (!Child) {
// We cannot compute the offset of the base class.
SymbolicOffsetBase = R;
- }
-
- if (RootIsSymbolic) {
- // Base layers on symbolic regions may not be type-correct.
- // Double-check the inheritance here, and revert to a symbolic offset
- // if it's invalid (e.g. due to a reinterpret_cast).
- if (BOR->isVirtual()) {
- if (!Child->isVirtuallyDerivedFrom(BOR->getDecl()))
- SymbolicOffsetBase = R;
- } else {
- if (!isImmediateBase(Child, BOR->getDecl()))
- SymbolicOffsetBase = R;
+ } else {
+ if (RootIsSymbolic) {
+ // Base layers on symbolic regions may not be type-correct.
+ // Double-check the inheritance here, and revert to a symbolic offset
+ // if it's invalid (e.g. due to a reinterpret_cast).
+ if (BOR->isVirtual()) {
+ if (!Child->isVirtuallyDerivedFrom(BOR->getDecl()))
+ SymbolicOffsetBase = R;
+ } else {
+ if (!isImmediateBase(Child, BOR->getDecl()))
+ SymbolicOffsetBase = R;
+ }
}
}
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