Protect isIntegerConstantExpr from seeing type- or value-dependent
expressions in attributes, pragmas.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@104083 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaAttr.cpp b/lib/Sema/SemaAttr.cpp
index 095f537..dc7815f 100644
--- a/lib/Sema/SemaAttr.cpp
+++ b/lib/Sema/SemaAttr.cpp
@@ -106,7 +106,9 @@
// pack(0) is like pack(), which just works out since that is what
// we use 0 for in PackAttr.
- if (!Alignment->isIntegerConstantExpr(Val, Context) ||
+ if (Alignment->isTypeDependent() ||
+ Alignment->isValueDependent() ||
+ !Alignment->isIntegerConstantExpr(Val, Context) ||
!(Val == 0 || Val.isPowerOf2()) ||
Val.getZExtValue() > 16) {
Diag(PragmaLoc, diag::warn_pragma_pack_invalid_alignment);