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Diffstat (limited to 'lib/StaticAnalyzer/Checkers/MacOSKeychainAPIChecker.cpp')
-rw-r--r--lib/StaticAnalyzer/Checkers/MacOSKeychainAPIChecker.cpp10
1 files changed, 8 insertions, 2 deletions
diff --git a/lib/StaticAnalyzer/Checkers/MacOSKeychainAPIChecker.cpp b/lib/StaticAnalyzer/Checkers/MacOSKeychainAPIChecker.cpp
index 551aea5021..7ffbc7fc4f 100644
--- a/lib/StaticAnalyzer/Checkers/MacOSKeychainAPIChecker.cpp
+++ b/lib/StaticAnalyzer/Checkers/MacOSKeychainAPIChecker.cpp
@@ -167,8 +167,14 @@ unsigned MacOSKeychainAPIChecker::getTrackedFunctionIndex(StringRef Name,
static SymbolRef getSymbolForRegion(CheckerContext &C,
const MemRegion *R) {
- if (!isa<SymbolicRegion>(R))
- return 0;
+ if (!isa<SymbolicRegion>(R)) {
+ // Implicit casts (ex: void* -> char*) can turn Symbolic region into element
+ // region, if that is the case, get the underlining region.
+ if (const ElementRegion *ER = dyn_cast<ElementRegion>(R))
+ R = ER->getAsArrayOffset().getRegion();
+ else
+ return 0;
+ }
return cast<SymbolicRegion>(R)->getSymbol();
}