commit 5e00fe65225e5e738bf69e237d3e73ca301f25f4
author David Bolvansky <david.bolvansky@gmail.com> Tue Sep 24 20:10:57 2019 +0000
committer David Bolvansky <david.bolvansky@gmail.com> Tue Sep 24 20:10:57 2019 +0000
tree 2bc33b4403da5cab4e0087150b6cc17a7c84e5dd
parent 7fd15a3b66eaa8c90756983ddd960624f543949f

[NFC] Strenghten preconditions for warning


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@372775 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Sema/SemaChecking.cpp

diff --git a/lib/Sema/SemaChecking.cpp b/lib/Sema/SemaChecking.cpp
index 02c0d48..28f4e06 100644
--- a/lib/Sema/SemaChecking.cpp
+++ b/lib/Sema/SemaChecking.cpp
@@ -11321,7 +11321,8 @@
       const auto *RHS = getIntegerLiteral(BO->getRHS());
       if (LHS && LHS->getValue() == 0)
         S.Diag(ExprLoc, diag::warn_left_shift_always) << 0;
-      else if (RHS && RHS->getValue().isNonNegative() &&
+      else if (!E->isValueDependent() && LHS && RHS &&
+               RHS->getValue().isNonNegative() &&
                E->EvaluateAsInt(Result, S.Context, Expr::SE_AllowSideEffects))
         S.Diag(ExprLoc, diag::warn_left_shift_always)
             << (Result.Val.getInt() != 0);