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Revise the implementation logic of sized deallocation: Do not automatically generate weak definitions of the sized operator delete (in terms of unsized operator delete). Instead, provide the funcitonality via a new compiler flag, -fdef-sized-delete.

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The current implementation causes link-time ODR violations when the delete symbols are exported into the dynamic table.

llvm-svn: 229241
This commit is contained in:
Larisse Voufo
2015-02-14 05:42:57 +00:00
parent 0414b8578e
commit 5526f4f094
8 changed files with 38 additions and 17 deletions
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2
clang/lib/Frontend/CompilerInvocation.cpp
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@@ -1525,6 +1525,8 @@ static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK,
Opts.NoMathBuiltin = Args.hasArg(OPT_fno_math_builtin);
Opts.AssumeSaneOperatorNew = !Args.hasArg(OPT_fno_assume_sane_operator_new);
Opts.SizedDeallocation |= Args.hasArg(OPT_fsized_deallocation);
Opts.DefaultSizedDelete = Opts.SizedDeallocation &&
Args.hasArg(OPT_fdef_sized_delete);
Opts.HeinousExtensions = Args.hasArg(OPT_fheinous_gnu_extensions);
Opts.AccessControl = !Args.hasArg(OPT_fno_access_control);
Opts.ElideConstructors = !Args.hasArg(OPT_fno_elide_constructors);