Add support for -Wwrite-strings. Patch by Mike M! Fixes PR 4804.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@98541 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaExpr.cpp b/lib/Sema/SemaExpr.cpp
index cd049a2..a39ba2f 100644
--- a/lib/Sema/SemaExpr.cpp
+++ b/lib/Sema/SemaExpr.cpp
@@ -370,7 +370,7 @@
if (Literal.Pascal) StrTy = Context.UnsignedCharTy;
// A C++ string literal has a const-qualified element type (C++ 2.13.4p1).
- if (getLangOptions().CPlusPlus)
+ if (getLangOptions().CPlusPlus || getLangOptions().ConstStrings )
StrTy.addConst();
// Get an array type for the string, according to C99 6.4.5. This includes
diff --git a/lib/Sema/SemaExprObjC.cpp b/lib/Sema/SemaExprObjC.cpp
index c60455d..c98ba43 100644
--- a/lib/Sema/SemaExprObjC.cpp
+++ b/lib/Sema/SemaExprObjC.cpp
@@ -106,7 +106,7 @@
// which is an array type.
StrTy = Context.CharTy;
// A C++ string literal has a const-qualified element type (C++ 2.13.4p1).
- if (getLangOptions().CPlusPlus)
+ if (getLangOptions().CPlusPlus || getLangOptions().ConstStrings)
StrTy.addConst();
StrTy = Context.getConstantArrayType(StrTy, llvm::APInt(32, Str.size()+1),
ArrayType::Normal, 0);