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.
feel free to chage the name to this lengthy argument
llvm-svn: 91543
diff --git a/clang/lib/Frontend/CompilerInvocation.cpp b/clang/lib/Frontend/CompilerInvocation.cpp
index 7a3388f..025f5dd 100644
--- a/clang/lib/Frontend/CompilerInvocation.cpp
+++ b/clang/lib/Frontend/CompilerInvocation.cpp
@@ -466,6 +466,8 @@
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 @@
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);