Change in binutils-gdb[master]: [gdb/tdep] Fix 'Unexpected register class' assert in amd64_push_argum...

["Tom de Vries (Code Review)" <gerrit at gnutoolchain-gerrit dot osci dot io>]

Tom de Vries has posted comments on this change.

Change URL: https://gnutoolchain-gerrit.osci.io/r/c/binutils-gdb/+/30
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Patch Set 1:

https://sourceware.org/ml/gdb-patches/2019-10/msg00343.html:
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On 14-10-2019 15:10, Alan Hayward wrote:
>> This exposes 9 more FAILs of the PR tdep/25096 type, so mark all 12 of them as
>> KFAIL.
> When I run the test, I get three unexpected passes:
> 
> 
> # of expected passes		9388
> # of unknown successes		3
> # of known failures		9
> 
> KPASS: gdb.base/infcall-nested-structs.exp: l=c++: types-tc-tf: p/d check_arg_struct_02_01 (ref_val_struct_02_01) (PRMS gdb/25096)
> KPASS: gdb.base/infcall-nested-structs.exp: l=c++: types-ts-tf: p/d check_arg_struct_02_01 (ref_val_struct_02_01) (PRMS gdb/25096)
> KPASS: gdb.base/infcall-nested-structs.exp: l=c++: types-ti-tf: p/d check_arg_struct_02_01 (ref_val_struct_02_01) (PRMS gdb/25096)

That could be due to registers happening to have the correct value.

Do these turn into KFAILs if you add:
...
diff --git a/gdb/testsuite/gdb.base/infcall-nested-structs.exp
b/gdb/testsuite/gdb.base/infcall-nested-structs.
exp
index 957eb31bdc2..f62f636aa11 100644
--- a/gdb/testsuite/gdb.base/infcall-nested-structs.exp
+++ b/gdb/testsuite/gdb.base/infcall-nested-structs.exp
@@ -134,6 +134,7 @@ proc run_tests { lang types } {

        if { $lang == "c++" && $name == "struct_02_01"
             && [regexp "^types-(tf-t(c|s|i)|t(c|s|i)-tf)" $types match] } {
+           gdb_test_no_output "set \$xmm0.v2_int64\[0\] = 0"
            setup_kfail gdb/25096 "x86_64-*-linux*"
        }
        gdb_test "p/d check_arg_${name} (ref_val_${name})" "= 1"
...
?
...


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