diff options
Diffstat (limited to 'clang/lib/Analysis/ExprMutationAnalyzer.cpp')
| -rw-r--r-- | clang/lib/Analysis/ExprMutationAnalyzer.cpp | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/clang/lib/Analysis/ExprMutationAnalyzer.cpp b/clang/lib/Analysis/ExprMutationAnalyzer.cpp index 1e376da..75b17c54 100644 --- a/clang/lib/Analysis/ExprMutationAnalyzer.cpp +++ b/clang/lib/Analysis/ExprMutationAnalyzer.cpp @@ -140,7 +140,8 @@ class ExprPointeeResolve { // explicit cast will be checked in `findPointeeToNonConst` const CastKind kind = ICE->getCastKind(); if (kind == CK_LValueToRValue || kind == CK_DerivedToBase || - kind == CK_UncheckedDerivedToBase) + kind == CK_UncheckedDerivedToBase || + (kind == CK_NoOp && (ICE->getType() == ICE->getSubExpr()->getType()))) return resolveExpr(ICE->getSubExpr()); return false; } @@ -788,13 +789,16 @@ ExprMutationAnalyzer::Analyzer::findPointeeToNonConst(const Expr *Exp) { // FIXME: false positive if the pointee does not change in lambda const auto CaptureNoConst = lambdaExpr(hasCaptureInit(Exp)); - const auto Matches = - match(stmt(anyOf(forEachDescendant( - stmt(anyOf(AssignToNonConst, PassAsNonConstArg, - CastToNonConst, CaptureNoConst)) - .bind("stmt")), - forEachDescendant(InitToNonConst))), - Stm, Context); + const auto ReturnNoConst = + returnStmt(hasReturnValue(canResolveToExprPointee(Exp))); + + const auto Matches = match( + stmt(anyOf(forEachDescendant( + stmt(anyOf(AssignToNonConst, PassAsNonConstArg, + CastToNonConst, CaptureNoConst, ReturnNoConst)) + .bind("stmt")), + forEachDescendant(InitToNonConst))), + Stm, Context); return selectFirst<Stmt>("stmt", Matches); } |