Index: cfe/trunk/lib/StaticAnalyzer/Core/ExprEngine.cpp =================================================================== --- cfe/trunk/lib/StaticAnalyzer/Core/ExprEngine.cpp +++ cfe/trunk/lib/StaticAnalyzer/Core/ExprEngine.cpp @@ -2108,10 +2108,12 @@ ProgramPoint::PostLValueKind); return; } - if (isa(D)) { + if (isa(D) || isa(D)) { // FIXME: Compute lvalue of field pointers-to-member. // Right now we just use a non-null void pointer, so that it gives proper // results in boolean contexts. + // FIXME: Maybe delegate this to the surrounding operator&. + // Note how this expression is lvalue, however pointer-to-member is NonLoc. SVal V = svalBuilder.conjureSymbolVal(Ex, LCtx, getContext().VoidPtrTy, currBldrCtx->blockCount()); state = state->assume(V.castAs(), true); Index: cfe/trunk/test/Analysis/pointer-to-member.cpp =================================================================== --- cfe/trunk/test/Analysis/pointer-to-member.cpp +++ cfe/trunk/test/Analysis/pointer-to-member.cpp @@ -230,3 +230,42 @@ clang_analyzer_eval(d2.*(static_cast(static_cast(static_cast(&B::f)))) == 4); // expected-warning {{TRUE}} } } // end of testPointerToMemberDiamond namespace + +namespace testAnonymousMember { +struct A { + struct { + int x; + }; + struct { + struct { + int y; + }; + }; + struct { + union { + int z; + }; + }; +}; + +void test() { + clang_analyzer_eval(&A::x); // expected-warning{{TRUE}} + clang_analyzer_eval(&A::y); // expected-warning{{TRUE}} + clang_analyzer_eval(&A::z); // expected-warning{{TRUE}} + + // FIXME: These should be true. + int A::*l = &A::x, A::*m = &A::y, A::*n = &A::z; + clang_analyzer_eval(l); // expected-warning{{UNKNOWN}} + clang_analyzer_eval(m); // expected-warning{{UNKNOWN}} + clang_analyzer_eval(n); // expected-warning{{UNKNOWN}} + + // FIXME: These should be true as well. + A a; + a.x = 1; + clang_analyzer_eval(a.*l == 1); // expected-warning{{UNKNOWN}} + a.y = 2; + clang_analyzer_eval(a.*m == 2); // expected-warning{{UNKNOWN}} + a.z = 3; + clang_analyzer_eval(a.*n == 3); // expected-warning{{UNKNOWN}} +} +} // end of testAnonymousMember namespace