The address of a TLS var is not compile-time constant (PR13720)
This makes Clang produce an error for code such as:
__thread int x;
int *p = &x;
The lvalue of a thread-local variable cannot be evaluated at compile
time.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162835 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AST/ExprConstant.cpp b/lib/AST/ExprConstant.cpp
index e2d5c75..6b88246 100644
--- a/lib/AST/ExprConstant.cpp
+++ b/lib/AST/ExprConstant.cpp
@@ -2832,6 +2832,8 @@
}
bool LValueExprEvaluator::VisitVarDecl(const Expr *E, const VarDecl *VD) {
+ if (VD->isThreadSpecified())
+ return false;
if (!VD->getType()->isReferenceType()) {
if (isa<ParmVarDecl>(VD)) {
Result.set(VD, Info.CurrentCall->Index);