On Jul 23, 2014, at 4:42 AM, Ulrich Weigand <uweig...@de.ibm.com> wrote:
> Ping?
Ok.
>> Hello,
>>
>> in testing the rs6000 ABI patches I noted a weird effect: usually, the
>> -Wpsabi warning notes are ignored in the compat test suites, so we get
>> a clean test run anyway.
>>
>> However, when running the C++ version of the struct-layout-1.exp case
>> *alone* (using RUNTESTFLAGS=struct-layout-1.exp), suddenly tests are
>> failing because of those extra notes. This does *not* happen with
>> the C version of that suite ...
>>
>> It turns out that that pruning those notes is supposed to happen
>> from within gcc-defs.exp:${tool}_check_compile:
>> if { [info proc ${tool}-dg-prune] != "" } {
>> global target_triplet
>> set gcc_output [${tool}-dg-prune $target_triplet $gcc_output]
>> }
>>
>> However, the g++-dg-prune routine is defined in g++-dg.exp, which
>> is never included from g++.dg/compat/struct-layout-1.exp (directly
>> or indirectly). Now, when running the full suite, that file would
>> have been loaded by some earlier g++.dg .exp file, so everything
>> works out. But when running struct-layout-1.exp stand-alone, the
>> g++-dg-prune routine is never defined and thus silently no pruning
>> takes place.
>>
>> To fix this, the following patch simply loads g++-dg.exp directly
>> from g++.dg/compat/struct-layout-1.exp.
>>
>> Tested on powerpc64-linux and powerpc64le-linux.
>>
>> OK for mainline (and 4.8/4.9 once the rs6000 ABI patches are
>> backported there)?
>>
>> Bye,
>> Ulrich
>>
>>
>> gcc/testsuite/ChangeLog:
>>
>> * g++.dg/compat/struct-layout-1.exp: Load g++-dg.exp
>>
>>
>> Index: gcc-4_9-branch/gcc/testsuite/g++.dg/compat/struct-layout-1.exp
>> ===================================================================
>> --- gcc-4_9-branch.orig/gcc/testsuite/g++.dg/compat/struct-layout-1.exp
>> +++ gcc-4_9-branch/gcc/testsuite/g++.dg/compat/struct-layout-1.exp
>> @@ -89,6 +89,9 @@ proc compat-use-tst-compiler { } {
>> # This must be done after the compat-use-*-compiler definitions.
>> load_lib compat.exp
>>
>> +# Provide the g++-dg-prune routine (gcc-dp.exp is loaded by compat.exp)
>> +load_lib g++-dg.exp
>> +
>> g++_init
>>
>> # Save variables for the C++ compiler under test, which each test will
>>
>> --
>> Dr. Ulrich Weigand
>> GNU/Linux compilers and toolchain
>> ulrich.weig...@de.ibm.com
>>
>
>
> --
> Dr. Ulrich Weigand
> GNU/Linux compilers and toolchain
> ulrich.weig...@de.ibm.com
>
