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Diffstat (limited to 'clang/lib/StaticAnalyzer/Checkers/WebKit/RawPtrRefLocalVarsChecker.cpp')
-rw-r--r--clang/lib/StaticAnalyzer/Checkers/WebKit/RawPtrRefLocalVarsChecker.cpp8
1 files changed, 7 insertions, 1 deletions
diff --git a/clang/lib/StaticAnalyzer/Checkers/WebKit/RawPtrRefLocalVarsChecker.cpp b/clang/lib/StaticAnalyzer/Checkers/WebKit/RawPtrRefLocalVarsChecker.cpp
index dd9701f..c13df479 100644
--- a/clang/lib/StaticAnalyzer/Checkers/WebKit/RawPtrRefLocalVarsChecker.cpp
+++ b/clang/lib/StaticAnalyzer/Checkers/WebKit/RawPtrRefLocalVarsChecker.cpp
@@ -166,10 +166,10 @@ bool isGuardedScopeEmbeddedInGuardianScope(const VarDecl *Guarded,
class RawPtrRefLocalVarsChecker
: public Checker<check::ASTDecl<TranslationUnitDecl>> {
BugType Bug;
- mutable BugReporter *BR;
EnsureFunctionAnalysis EFA;
protected:
+ mutable BugReporter *BR;
mutable std::optional<RetainTypeChecker> RTC;
public:
@@ -180,6 +180,7 @@ public:
virtual bool isSafePtr(const CXXRecordDecl *) const = 0;
virtual bool isSafePtrType(const QualType) const = 0;
virtual bool isSafeExpr(const Expr *) const { return false; }
+ virtual bool isSafeDecl(const Decl *) const { return false; }
virtual const char *ptrKind() const = 0;
void checkASTDecl(const TranslationUnitDecl *TUD, AnalysisManager &MGR,
@@ -288,6 +289,7 @@ public:
return isSafePtr(Record);
},
[&](const clang::QualType Type) { return isSafePtrType(Type); },
+ [&](const clang::Decl *D) { return isSafeDecl(D); },
[&](const clang::Expr *InitArgOrigin, bool IsSafe) {
if (!InitArgOrigin || IsSafe)
return true;
@@ -443,6 +445,10 @@ public:
return ento::cocoa::isCocoaObjectRef(E->getType()) &&
isa<ObjCMessageExpr>(E);
}
+ bool isSafeDecl(const Decl *D) const final {
+ // Treat NS/CF globals in system header as immortal.
+ return BR->getSourceManager().isInSystemHeader(D->getLocation());
+ }
const char *ptrKind() const final { return "unretained"; }
};