compilerplugins/clang/unusedfields.cxx | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
New commits:
commit b533b2748e0f0ce4d5263f5f5720280c51803e25
Author: Noel Grandin <noel.gran...@collabora.co.uk>
Date: Tue Jul 11 16:01:02 2017 +0200
unusedfields plugin needs to ignore fields that have reinterpret_cast on
them
Change-Id: Ie8570de6a4eafc95352899fbfd1447d7c3a84e1a
diff --git a/compilerplugins/clang/unusedfields.cxx
b/compilerplugins/clang/unusedfields.cxx
index 3de31c3c8ae6..72354f757d90 100644
--- a/compilerplugins/clang/unusedfields.cxx
+++ b/compilerplugins/clang/unusedfields.cxx
@@ -305,7 +305,13 @@ void UnusedFields::checkWriteOnly(const FieldDecl*
fieldDecl, const Expr* member
return;
break;
}
- if (isa<CastExpr>(parent) || isa<MemberExpr>(parent) ||
isa<ParenExpr>(parent) || isa<ParenListExpr>(parent)
+ if (isa<CXXReinterpretCastExpr>(parent))
+ {
+ // once we see one of these, there is not much useful we can know
+ bPotentiallyReadFrom = true;
+ break;
+ }
+ else if (isa<CastExpr>(parent) || isa<MemberExpr>(parent) ||
isa<ParenExpr>(parent) || isa<ParenListExpr>(parent)
#if CLANG_VERSION >= 40000
|| isa<ArrayInitLoopExpr>(parent)
#endif
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