[Bug testsuite/77734] New: FAIL: gcc.dg/plugin/must-tail-call-1.c -fplugin=./must_tail_call_plugin.so (test for excess errors)

[danglin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77734

            Bug ID: 77734
           Summary: FAIL: gcc.dg/plugin/must-tail-call-1.c
                    -fplugin=./must_tail_call_plugin.so (test  for excess
                    errors)
           Product: gcc
           Version: 7.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: testsuite
          Assignee: unassigned at gcc dot gnu.org
          Reporter: danglin at gcc dot gnu.org
  Target Milestone: ---
              Host: hppa-unknown-linux-gnu
            Target: hppa-unknown-linux-gnu
             Build: hppa-unknown-linux-gnu

Executing on host: /home/dave/gnu/gcc/objdir/gcc/xgcc
-B/home/dave/gnu/gcc/objdi
r/gcc/ /home/dave/gnu/gcc/gcc/gcc/testsuite/gcc.dg/plugin/must-tail-call-1.c   
 -fno-diagnostics-show-caret -fdiagnostics-color=never 
-fplugin=./must_tail_call_plugin.so  -ansi -pedantic-errors -S -o
must-tail-call-1.s    (timeout = 300)
spawn -ignore SIGHUP /home/dave/gnu/gcc/objdir/gcc/xgcc
-B/home/dave/gnu/gcc/obj
dir/gcc/ /home/dave/gnu/gcc/gcc/gcc/testsuite/gcc.dg/plugin/must-tail-call-1.c
-fno-diagnostics-show-caret -fdiagnostics-color=never
-fplugin=./must_tail_call_plugin.so -ansi -pedantic-errors -S -o
must-tail-call-1.s/home/dave/gnu/gcc/gcc/gcc/testsuite/gcc.dg/plugin/must-tail-call-1.c:
In functi
on
'caller':/home/dave/gnu/gcc/gcc/gcc/testsuite/gcc.dg/plugin/must-tail-call-1.c:12:10:
error: cannot tail-call: target is not able to optimize the call into a sibling
call
compiler exited with status 1
FAIL: gcc.dg/plugin/must-tail-call-1.c -fplugin=./must_tail_call_plugin.so
(test
 for excess errors)Excess errors:
/home/dave/gnu/gcc/gcc/gcc/testsuite/gcc.dg/plugin/must-tail-call-1.c:12:10:
error: cannot tail-call: target is not able to optimize the call into a sibling
call

Target has only limited capability to do sibling calls.