alexfh added a subscriber: alexfh.
alexfh added a comment.
As a data point: I ran -Wshadow on our code base with a similar, but simpler
patch (http://reviews.llvm.org/D18395, just disables the warning on ctor
parameters named after fields). It removes more than half of the hits (from
~100k initially) and a random sample of ~100 removed removed hits didn't
contain any issues that we'd like to still be warning about.
Ultimately, I think, this diagnostic should be made much less noisy to be
actually useful. So maybe even starting with a removal of a larger subset of
warnings (and then gradually adding back the cases that seem to be important to
flag) would be better.
================
Comment at: lib/Sema/SemaExpr.cpp:9887
@@ -9854,1 +9886,3 @@
if (ConvTy == Compatible) {
+ const Expr *InnerLHS = LHSExpr->IgnoreParenCasts();
+ const DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(InnerLHS);
----------------
Why this change?
http://reviews.llvm.org/D18271
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