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| author | Hans Wennborg <hans@hanshq.net> | 2012-08-29 08:44:49 +0000 |
|---|---|---|
| committer | Hans Wennborg <hans@hanshq.net> | 2012-08-29 08:44:49 +0000 |
| commit | ae7a66f44edebe14d0499d790e91e3ef57e1f70e (patch) | |
| tree | c69d1bfa43bbe3228708cff409b1c39856cd91f9 /lib/AST/ExprConstant.cpp | |
| parent | 3bd27857bc9641821d29c78826e069f4108d73a3 (diff) | |
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
Diffstat (limited to 'lib/AST/ExprConstant.cpp')
| -rw-r--r-- | lib/AST/ExprConstant.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/AST/ExprConstant.cpp b/lib/AST/ExprConstant.cpp index e2d5c7515a..6b88246f82 100644 --- a/lib/AST/ExprConstant.cpp +++ b/lib/AST/ExprConstant.cpp @@ -2832,6 +2832,8 @@ bool LValueExprEvaluator::VisitDeclRefExpr(const DeclRefExpr *E) { } 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); |