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authorChandler Carruth <chandlerc@gmail.com>2011-04-23 06:54:44 +0000
committerChandler Carruth <chandlerc@gmail.com>2011-04-23 06:54:44 +0000
commitf3babb93eba416ff30c4408d843b7408221e1d4e (patch)
treee47f63f0959746663ca7a975edcf78a5b17263cd
parent50465d1d2f5f6dd3d8e18e2cf7bad4691e5ca6a8 (diff)
GCC overloads -Wwrite-strings just to make it extra confusing. While it
changes language semantics in C and ObjC (which Clang has supported for a while), in C++ it's the name used for Clang's -Wdeprecated-writable-strings. Clang's name is at least less overloaded if still confusing (the string isn't writable, we just allow converting to a non-const pointer without warning), so I've left it in place and made the GCC name an alias for compatibility. With this I've implemented all the aspects of GCC's -Wwrite-strings I've encountered which didn't work with Clang. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@130052 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r--include/clang/Basic/DiagnosticGroups.td5
-rw-r--r--test/SemaCXX/writable-strings-deprecated.cpp1
2 files changed, 5 insertions, 1 deletions
diff --git a/include/clang/Basic/DiagnosticGroups.td b/include/clang/Basic/DiagnosticGroups.td
index 15f3dbd464..dfce059dbe 100644
--- a/include/clang/Basic/DiagnosticGroups.td
+++ b/include/clang/Basic/DiagnosticGroups.td
@@ -173,7 +173,10 @@ def VariadicMacros : DiagGroup<"variadic-macros">;
def VectorConversions : DiagGroup<"vector-conversions">; // clang specific
def VLA : DiagGroup<"vla">;
def VolatileRegisterVar : DiagGroup<"volatile-register-var">;
-def : DiagGroup<"write-strings">;
+
+// GCC calls -Wdeprecated-writable-strings -Wwrite-strings.
+def GCCWriteStrings : DiagGroup<"write-strings" , [DeprecatedWritableStr]>;
+
def CharSubscript : DiagGroup<"char-subscripts">;
def LargeByValueCopy : DiagGroup<"large-by-value-copy">;
def DuplicateArgDecl : DiagGroup<"duplicate-method-arg">;
diff --git a/test/SemaCXX/writable-strings-deprecated.cpp b/test/SemaCXX/writable-strings-deprecated.cpp
index 66b5994798..8295401495 100644
--- a/test/SemaCXX/writable-strings-deprecated.cpp
+++ b/test/SemaCXX/writable-strings-deprecated.cpp
@@ -1,5 +1,6 @@
// RUN: %clang_cc1 -fsyntax-only -Wno-deprecated-writable-strings -verify %s
// RUN: %clang_cc1 -fsyntax-only -fwritable-strings -verify %s
+// RUN: %clang_cc1 -fsyntax-only -Wno-write-strings -verify %s
// rdar://8827606
char *fun(void)