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implement PR5654: add -fassume-sane-operator-new, which is enabled by default, and adds the malloc attribute to the global function new() and to the overloaded new operators.

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feel free to chage the name to this lengthy argument

llvm-svn: 91543
This commit is contained in:
Nuno Lopes
2009-12-16 16:59:22 +00:00
parent 59ae3c8542
commit 13c88c7269
11 changed files with 56 additions and 7 deletions
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3
clang/lib/Frontend/CompilerInvocation.cpp
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@@ -466,6 +466,8 @@ static void LangOptsToArgs(const LangOptions &Opts,
Res.push_back("-ffreestanding");
if (Opts.NoBuiltin)
Res.push_back("-fno-builtin");
if (!Opts.AssumeSaneOperatorNew)
Res.push_back("-fno-assume-sane-operator-new");
if (Opts.ThreadsafeStatics)
llvm::llvm_report_error("FIXME: Not yet implemented!");
if (Opts.POSIXThreads)
@@ -1140,6 +1142,7 @@ static void ParseLangArgs(LangOptions &Opts, ArgList &Args,
Opts.ShortWChar = Args.hasArg(OPT_fshort_wchar);
Opts.Freestanding = Args.hasArg(OPT_ffreestanding);
Opts.NoBuiltin = Args.hasArg(OPT_fno_builtin) || Opts.Freestanding;
Opts.AssumeSaneOperatorNew = !Args.hasArg(OPT_fno_assume_sane_operator_new);
Opts.HeinousExtensions = Args.hasArg(OPT_fheinous_gnu_extensions);
Opts.AccessControl = Args.hasArg(OPT_faccess_control);
Opts.ElideConstructors = !Args.hasArg(OPT_fno_elide_constructors);