[Bug testsuite/86016] New: New tests for r260978 report excess errors

["seurer at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86016

            Bug ID: 86016
           Summary: New tests for r260978 report excess errors
           Product: gcc
           Version: 9.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: testsuite
          Assignee: unassigned at gcc dot gnu.org
          Reporter: seurer at gcc dot gnu.org
  Target Milestone: ---

Some of the new tests are reporting excess errors like this:

# of expected passes            14
# of unexpected failures        7
FAIL: gcc.dg/noncompile/pr55976-1.c   -O0  (test for excess errors)
FAIL: gcc.dg/noncompile/pr55976-1.c   -O1  (test for excess errors)
FAIL: gcc.dg/noncompile/pr55976-1.c   -O2  (test for excess errors)
FAIL: gcc.dg/noncompile/pr55976-1.c   -O3 -g  (test for excess errors)
FAIL: gcc.dg/noncompile/pr55976-1.c   -Os  (test for excess errors)
FAIL: gcc.dg/noncompile/pr55976-1.c   -O2 -flto -fno-use-linker-plugin
-flto-partition=none  (test for excess errors)
FAIL: gcc.dg/noncompile/pr55976-1.c   -O2 -flto -fuse-linker-plugin
-fno-fat-lto-objects  (test for excess errors)


spawn -ignore SIGHUP /home/seurer/gcc/build/gcc-test2/gcc/xgcc
-B/home/seurer/gcc/build/gcc-test2/gcc/
/home/seurer/gcc/gcc-test2/gcc/testsuite/gcc.dg/noncompile/pr55976-1.c
-fno-diagnostics-show-caret -fdiagnostics-color=never -O0 -Werror=return-type
-S -o pr55976-1.s
/home/seurer/gcc/gcc-test2/gcc/testsuite/gcc.dg/noncompile/pr55976-1.c: In
function 't':
/home/seurer/gcc/gcc-test2/gcc/testsuite/gcc.dg/noncompile/pr55976-1.c:7:20:
error: 'return' with a value, in function returning void [-Werror=return-type]
/home/seurer/gcc/gcc-test2/gcc/testsuite/gcc.dg/noncompile/pr55976-1.c:7:6:
note: declared here
/home/seurer/gcc/gcc-test2/gcc/testsuite/gcc.dg/noncompile/pr55976-1.c: In
function 'b':
/home/seurer/gcc/gcc-test2/gcc/testsuite/gcc.dg/noncompile/pr55976-1.c:8:12:
error: 'return' with no value, in function returning non-void
[-Werror=return-type]
/home/seurer/gcc/gcc-test2/gcc/testsuite/gcc.dg/noncompile/pr55976-1.c:8:5:
note: declared here
cc1: some warnings being treated as errors
compiler exited with status 1
PASS: gcc.dg/noncompile/pr55976-1.c   -O0  function returning void (test for
errors, line 7)
PASS: gcc.dg/noncompile/pr55976-1.c   -O0  function returning non-void (test
for errors, line 8)
FAIL: gcc.dg/noncompile/pr55976-1.c   -O0  (test for excess errors)
Excess errors:
cc1: some warnings being treated as errors