return UnknownVal();
}
+static bool hasSameUnqualifiedPointeeType(QualType ty1, QualType ty2) {
+ return ty1->getPointeeType().getTypePtr() ==
+ ty2->getPointeeType().getTypePtr();
+}
+
/// CastRetrievedVal - Used by subclasses of StoreManager to implement
/// implicit casts that arise from loads from regions that are reinterpreted
/// as another region.
// FIXME: We really need a single good function to perform casts for us
// correctly every time we need it.
if (castTy->isPointerType() && !castTy->isVoidPointerType())
- if (const auto *SR = dyn_cast_or_null<SymbolicRegion>(V.getAsRegion()))
- if (SR->getSymbol()->getType().getCanonicalType() !=
- castTy.getCanonicalType())
- return loc::MemRegionVal(castRegion(SR, castTy));
+ if (const auto *SR = dyn_cast_or_null<SymbolicRegion>(V.getAsRegion())) {
+ QualType sr = SR->getSymbol()->getType();
+ if (!hasSameUnqualifiedPointeeType(sr, castTy))
+ return loc::MemRegionVal(castRegion(SR, castTy));
+ }
return svalBuilder.dispatchCast(V, castTy);
}
--- /dev/null
+// RUN: %clang_analyze_cc1 -analyzer-checker=core %s -verify
+// expected-no-diagnostics
+
+#define SIZE 2
+
+typedef struct {
+ int noOfSymbols;
+} Params;
+
+static void create(const Params * const params, int fooList[]) {
+ int tmpList[SIZE] = {0};
+ for (int i = 0; i < params->noOfSymbols; i++)
+ fooList[i] = tmpList[i];
+}
+
+int work(Params * const params) {
+ int fooList[SIZE];
+ create(params, fooList);
+ int sum = 0;
+ for (int i = 0; i < params->noOfSymbols; i++)
+ sum += fooList[i]; // no-warning
+ return sum;
+}
+
+static void create2(const Params * const * pparams, int fooList[]) {
+ const Params * params = *pparams;
+ int tmpList[SIZE] = {0};
+ for (int i = 0; i < params->noOfSymbols; i++)
+ fooList[i] = tmpList[i];
+}
+
+int work2(const Params * const params) {
+ int fooList[SIZE];
+ create2(¶ms, fooList);
+ int sum = 0;
+ for (int i = 0; i < params->noOfSymbols; i++)
+ sum += fooList[i]; // no-warning
+ return sum;
+}
+
+static void create3(Params * const * pparams, int fooList[]) {
+ const Params * params = *pparams;
+ int tmpList[SIZE] = {0};
+ for (int i = 0; i < params->noOfSymbols; i++)
+ fooList[i] = tmpList[i];
+}
+
+int work3(const Params * const params) {
+ int fooList[SIZE];
+ Params *const *ptr = (Params *const*)¶ms;
+ create3(ptr, fooList);
+ int sum = 0;
+ for (int i = 0; i < params->noOfSymbols; i++)
+ sum += fooList[i]; // no-warning
+ return sum;
+}