Driver: Fix forwarding of -fno-lax-vector-conversions.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@98639 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/clang/Driver/Options.td b/include/clang/Driver/Options.td
index 3eb74ca..c2ed7e6 100644
--- a/include/clang/Driver/Options.td
+++ b/include/clang/Driver/Options.td
@@ -300,6 +300,7 @@
def fno_inline_functions : Flag<"-fno-inline-functions">, Group<clang_ignored_f_Group>;
def fno_inline : Flag<"-fno-inline">, Group<clang_ignored_f_Group>;
def fno_keep_inline_functions : Flag<"-fno-keep-inline-functions">, Group<clang_ignored_f_Group>;
+def fno_lax_vector_conversions : Flag<"-fno-lax-vector-conversions">, Group<f_Group>;
def fno_math_errno : Flag<"-fno-math-errno">, Group<f_Group>;
def fno_merge_all_constants : Flag<"-fno-merge-all-constants">, Group<f_Group>;
def fno_ms_extensions : Flag<"-fno-ms-extensions">, Group<f_Group>;
diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp
index bc52100..28a6a69 100644
--- a/lib/Driver/Tools.cpp
+++ b/lib/Driver/Tools.cpp
@@ -1034,7 +1034,12 @@
Args.AddLastArg(CmdArgs, options::OPT_femit_all_decls);
Args.AddLastArg(CmdArgs, options::OPT_ffreestanding);
Args.AddLastArg(CmdArgs, options::OPT_fheinous_gnu_extensions);
- Args.AddLastArg(CmdArgs, options::OPT_flax_vector_conversions);
+
+ // -flax-vector-conversions is default.
+ if (!Args.hasFlag(options::OPT_flax_vector_conversions,
+ options::OPT_fno_lax_vector_conversions))
+ CmdArgs.push_back("-fno-lax-vector-conversions");
+
Args.AddLastArg(CmdArgs, options::OPT_fno_caret_diagnostics);
Args.AddLastArg(CmdArgs, options::OPT_fno_show_column);
Args.AddLastArg(CmdArgs, options::OPT_fobjc_gc_only);