[PATCH] D28602: [analyzer] Don't dereference the array bound to a reference.
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Thu Jan 12 10:11:03 PST 2017
This revision was automatically updated to reflect the committed changes.
Closed by commit rL291781: [analyzer] Don't dereference the array value when binding it to a reference. (authored by dergachev).
Changed prior to commit:
https://reviews.llvm.org/D28602?vs=84097&id=84140#toc
Repository:
rL LLVM
https://reviews.llvm.org/D28602
Files:
cfe/trunk/lib/StaticAnalyzer/Checkers/DereferenceChecker.cpp
cfe/trunk/lib/StaticAnalyzer/Core/ExprEngine.cpp
Index: cfe/trunk/lib/StaticAnalyzer/Core/ExprEngine.cpp
===================================================================
--- cfe/trunk/lib/StaticAnalyzer/Core/ExprEngine.cpp
+++ cfe/trunk/lib/StaticAnalyzer/Core/ExprEngine.cpp
@@ -515,8 +515,9 @@
Init = ASE->getBase()->IgnoreImplicit();
SVal LValue = State->getSVal(Init, stackFrame);
- if (Optional<Loc> LValueLoc = LValue.getAs<Loc>())
- InitVal = State->getSVal(*LValueLoc);
+ if (!Field->getType()->isReferenceType())
+ if (Optional<Loc> LValueLoc = LValue.getAs<Loc>())
+ InitVal = State->getSVal(*LValueLoc);
// If we fail to get the value for some reason, use a symbolic value.
if (InitVal.isUnknownOrUndef()) {
Index: cfe/trunk/lib/StaticAnalyzer/Checkers/DereferenceChecker.cpp
===================================================================
--- cfe/trunk/lib/StaticAnalyzer/Checkers/DereferenceChecker.cpp
+++ cfe/trunk/lib/StaticAnalyzer/Checkers/DereferenceChecker.cpp
@@ -253,12 +253,6 @@
if (!TVR->getValueType()->isReferenceType())
return;
- // FIXME: This is a hotfix for https://llvm.org/bugs/show_bug.cgi?id=31592
- // A proper fix is very much necessary. Otherwise we would never normally bind
- // a NonLoc to a reference.
- if (V.getAs<NonLoc>())
- return;
-
ProgramStateRef State = C.getState();
ProgramStateRef StNonNull, StNull;
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