[PATCH] D154773: [AST] Use correct APSInt width when evaluating string literals
Sergei Barannikov via Phabricator via cfe-commits
cfe-commits at lists.llvm.org
Tue Sep 5 09:14:39 PDT 2023
This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rG18a628ec4ef7: [AST] Use correct APSInt width when evaluating string literals (authored by barannikov88).
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D154773/new/
https://reviews.llvm.org/D154773
Files:
clang/lib/AST/ExprConstant.cpp
Index: clang/lib/AST/ExprConstant.cpp
===================================================================
--- clang/lib/AST/ExprConstant.cpp
+++ clang/lib/AST/ExprConstant.cpp
@@ -3463,8 +3463,7 @@
assert(CAT && "string literal isn't an array");
QualType CharType = CAT->getElementType();
assert(CharType->isIntegerType() && "unexpected character type");
-
- APSInt Value(S->getCharByteWidth() * Info.Ctx.getCharWidth(),
+ APSInt Value(Info.Ctx.getTypeSize(CharType),
CharType->isUnsignedIntegerType());
if (Index < S->getLength())
Value = S->getCodeUnit(Index);
@@ -3487,7 +3486,7 @@
unsigned Elts = CAT->getSize().getZExtValue();
Result = APValue(APValue::UninitArray(),
std::min(S->getLength(), Elts), Elts);
- APSInt Value(S->getCharByteWidth() * Info.Ctx.getCharWidth(),
+ APSInt Value(Info.Ctx.getTypeSize(CharType),
CharType->isUnsignedIntegerType());
if (Result.hasArrayFiller())
Result.getArrayFiller() = APValue(Value);
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