Use -fno-math-errno by default, and remove the IsMathErrnoDefault
targethook, which is no longer being used. This fixes PR5971.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@92987 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/clang/Driver/CC1Options.td b/include/clang/Driver/CC1Options.td
index 6a0d816..f3c6d11 100644
--- a/include/clang/Driver/CC1Options.td
+++ b/include/clang/Driver/CC1Options.td
@@ -323,6 +323,8 @@
HelpText<"Generate output compatible with the standard GNU Objective-C runtime">;
def std_EQ : Joined<"-std=">,
HelpText<"Language standard to compile for">;
+def fmath_errno : Flag<"-fmath-errno">,
+ HelpText<"Require math functions to indicate errors by setting errno">;
def fms_extensions : Flag<"-fms-extensions">,
HelpText<"Accept some non-standard constructs used in Microsoft header files ">;
def main_file_name : Separate<"-main-file-name">,
@@ -331,8 +333,6 @@
HelpText<"Disable C++ copy constructor elision">;
def fno_lax_vector_conversions : Flag<"-fno-lax-vector-conversions">,
HelpText<"Disallow implicit conversions between vectors with a different number of elements or different element types">;
-def fno_math_errno : Flag<"-fno-math-errno">,
- HelpText<"Don't require math functions to respect errno">;
def fno_signed_char : Flag<"-fno-signed-char">,
HelpText<"Char is unsigned">;
def fno_operator_names : Flag<"-fno-operator-names">,