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-rw-r--r--clang/lib/AST/ASTContext.cpp2
-rw-r--r--clang/lib/AST/ExprConstant.cpp2
2 files changed, 4 insertions, 0 deletions
diff --git a/clang/lib/AST/ASTContext.cpp b/clang/lib/AST/ASTContext.cpp
index 922d74e487a..b9264051b63 100644
--- a/clang/lib/AST/ASTContext.cpp
+++ b/clang/lib/AST/ASTContext.cpp
@@ -1473,6 +1473,8 @@ CharUnits ASTContext::getDeclAlign(const Decl *D, bool ForAlignof) const {
}
}
Align = std::max(Align, getPreferredTypeAlign(T.getTypePtr()));
+ if (BaseT.getQualifiers().hasUnaligned())
+ Align = Target->getCharWidth();
if (const VarDecl *VD = dyn_cast<VarDecl>(D)) {
if (VD->hasGlobalStorage() && !ForAlignof)
Align = std::max(Align, getTargetInfo().getMinGlobalAlign());
diff --git a/clang/lib/AST/ExprConstant.cpp b/clang/lib/AST/ExprConstant.cpp
index ae8a63693f2..a1b508f78cd 100644
--- a/clang/lib/AST/ExprConstant.cpp
+++ b/clang/lib/AST/ExprConstant.cpp
@@ -5677,6 +5677,8 @@ static CharUnits GetAlignOfType(EvalInfo &Info, QualType T) {
T = Ref->getPointeeType();
// __alignof is defined to return the preferred alignment.
+ if (T.getQualifiers().hasUnaligned())
+ return CharUnits::One();
return Info.Ctx.toCharUnitsFromBits(
Info.Ctx.getPreferredTypeAlign(T.getTypePtr()));
}
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