[OE-core] [for-dora][PATCH] gcc-4.8: Backport PR c++/57532 fix from 4.8.2

[Robert Yang]

Hi Otavio,

Thanks, I will add it dora-next.

// Robert

On 01/15/2014 12:58 AM, Khem Raj wrote:
> looks good to me.
>
> On Tue, Jan 14, 2014 at 8:26 AM, Otavio Salvador
> <otavio at ossystems.com.br> wrote:
>> Bug: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57532
>>
>> Log:
>> r200836 | jason | 2013-07-09 14:52:17 -0300 (Tue, 09 Jul 2013) | 3 lines
>>
>>          PR c++/57532
>>          * parser.c (cp_parser_ref_qualifier_opt): Don't tentatively parse
>>          a ref-qualifier in C++98 mode.
>>
>> Signed-off-by: Otavio Salvador <otavio at ossystems.com.br>
>> ---
>>   meta/recipes-devtools/gcc/gcc-4.8.inc              |    1 +
>>   .../gcc/gcc-4.8/0048-PR57532.patch                 |   36 ++++++++++++++++++++
>>   2 files changed, 37 insertions(+)
>>   create mode 100644 meta/recipes-devtools/gcc/gcc-4.8/0048-PR57532.patch
>>
>> diff --git a/meta/recipes-devtools/gcc/gcc-4.8.inc b/meta/recipes-devtools/gcc/gcc-4.8.inc
>> index 8d50bf7..b34c7ae 100644
>> --- a/meta/recipes-devtools/gcc/gcc-4.8.inc
>> +++ b/meta/recipes-devtools/gcc/gcc-4.8.inc
>> @@ -77,6 +77,7 @@ SRC_URI = "${GNU_MIRROR}/gcc/gcc-${PV}/gcc-${PV}.tar.bz2 \
>>             file://0045-gcc-4.8-PR57717-PowerPC-E500v2.patch \
>>             file://0046-libatomic-deptracking.patch \
>>             file://0047-repomembug.patch \
>> +          file://0048-PR57532.patch \
>>            "
>>   SRC_URI[md5sum] = "3b2386c114cd74185aa3754b58a79304"
>>   SRC_URI[sha256sum] = "545b44be3ad9f2c4e90e6880f5c9d4f0a8f0e5f67e1ffb0d45da9fa01bb05813"
>> diff --git a/meta/recipes-devtools/gcc/gcc-4.8/0048-PR57532.patch b/meta/recipes-devtools/gcc/gcc-4.8/0048-PR57532.patch
>> new file mode 100644
>> index 0000000..4a05d33
>> --- /dev/null
>> +++ b/meta/recipes-devtools/gcc/gcc-4.8/0048-PR57532.patch
>> @@ -0,0 +1,36 @@
>> +Upstream-Status: Backport
>> +Signed-off-by: Otavio Salvador <otavio at ossystems.com.br>
>> +
>> +r200836 | jason | 2013-07-09 14:52:17 -0300 (Tue, 09 Jul 2013) | 3 lines
>> +
>> +        PR c++/57532
>> +        * parser.c (cp_parser_ref_qualifier_opt): Don't tentatively parse
>> +        a ref-qualifier in C++98 mode.
>> +
>> +Index: gcc/testsuite/g++.dg/parse/ref-qual2.C
>> +===================================================================
>> +--- a/gcc/testsuite/g++.dg/parse/ref-qual2.C   (revision 0)
>> ++++ b/gcc/testsuite/g++.dg/parse/ref-qual2.C   (revision 200836)
>> +@@ -0,0 +1,6 @@
>> ++// PR c++/57532
>> ++
>> ++int main()
>> ++{
>> ++    return (int() & int());
>> ++}
>> +Index: gcc/cp/parser.c
>> +===================================================================
>> +--- a/gcc/cp/parser.c  (revision 200835)
>> ++++ b/gcc/cp/parser.c  (revision 200836)
>> +@@ -16986,6 +16986,11 @@
>> + {
>> +   cp_ref_qualifier ref_qual = REF_QUAL_NONE;
>> +   cp_token *token = cp_lexer_peek_token (parser->lexer);
>> ++
>> ++  /* Don't try to parse bitwise '&' as a ref-qualifier (c++/57532).  */
>> ++  if (cxx_dialect < cxx11 && cp_parser_parsing_tentatively (parser))
>> ++    return ref_qual;
>> ++
>> +   switch (token->type)
>> +     {
>> +     case CPP_AND:
>> --
>> 1.7.10.4
>>
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