[cfe-dev] [PATCH] MS compatibility flag implies delayed parsing
Francois Pichet
pichet2000 at gmail.com
Mon Nov 14 15:53:15 PST 2011
On Mon, Nov 14, 2011 at 2:30 PM, Douglas Gregor <dgregor at apple.com> wrote:
>
> On Nov 12, 2011, at 1:08 PM, Aaron Ballman wrote:
>
>> On Tue, Nov 8, 2011 at 8:51 PM, Douglas Gregor <dgregor at apple.com> wrote:
>>>
>>> On Nov 8, 2011, at 6:56 AM, Aaron Ballman wrote:
>>>
>>>> On Mon, Nov 7, 2011 at 4:55 PM, Eli Friedman <eli.friedman at gmail.com> wrote:
>>>>> I don't see why the changes to lib/Frontend/CompilerInvocation.cpp and
>>>>> include/clang/Driver/CC1Options.td are necessary. The changes to
>>>>> lib/Driver/Tools.cpp look fine.
>>>>
>>>> I'm not certain I understand why the two are separate from one
>>>> another. Can you give me a quite education on the topic?
>>>>
>>>> On Mon, Nov 7, 2011 at 5:02 PM, Francois Pichet <pichet2000 at gmail.com> wrote:
>>>>> How about we remove --fdelayed-template-parsing altogether and check
>>>>> for fms-compatibility to do late template parsing?
>>>>>
>>>>> Anybody else needs delayed template parsing without microsoft compatibility?
>>>>
>>>> That would be the best solution IMO, but I wasn't sure if anyone was
>>>> relying on them being separated. If no one objects, I can remove the
>>>> delayed template parsing param and simply roll the functionality into
>>>> MS compatibility. But I do have one question on this -- should I
>>>> simply remove the flag entirely (so people start getting warnings
>>>> about unused flags), or should I leave the flag in and make it no-op?
>>>
>>> I suggest removing the driver-level "-fdelayed-template-parsing" (from lib/Driver/Tools.cpp and include/clang/Driver/Options.td). However, please leave -fdelayed-template-parsing as a separate "-cc1" option, because delayed template parsing can be useful even when we're not emulating MSVC.
>>
>> I've attached a patch that implements these changes. I did still
>> clean up CompilerInvocation to remove a duplicate assignment.
>
This doesn't work.
Some tests depend on -fno-delayed-template-parsing to exist at the driver level.
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