[Bug testsuite/24807] New: gdb.objc FAILs

[vries at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=24807

            Bug ID: 24807
           Summary: gdb.objc FAILs
           Product: gdb
           Version: HEAD
            Status: NEW
          Severity: normal
          Priority: P2
         Component: testsuite
          Assignee: unassigned at sourceware dot org
          Reporter: vries at gcc dot gnu.org
  Target Milestone: ---

When running the objc tests, we have:
...
# of expected passes            13
# of unsupported tests          3
...

The UNSUPPORTED are:
...
Running /data/gdb_versions/devel/src/gdb/testsuite/gdb.objc/basicclass.exp ...
UNSUPPORTED: gdb.objc/basicclass.exp: couldn't compile basicclass.m:
unrecognized error
Running /data/gdb_versions/devel/src/gdb/testsuite/gdb.objc/nondebug.exp ...
UNSUPPORTED: gdb.objc/nondebug.exp: couldn't compile nondebug.m: unrecognized
error
Running /data/gdb_versions/devel/src/gdb/testsuite/gdb.objc/objcdecode.exp ...
UNSUPPORTED: gdb.objc/objcdecode.exp: couldn't compile objcdecode.m:
unrecognized error
...

With this patch, we switch off all warning (so we no longer run into Werror,
causing the UNSUPPORTED):
...
diff --git a/gdb/testsuite/lib/gdb.exp b/gdb/testsuite/lib/gdb.exp
index 49ec8b2a55..cfa0a1221d 100644
--- a/gdb/testsuite/lib/gdb.exp
+++ b/gdb/testsuite/lib/gdb.exp
@@ -3947,6 +3947,7 @@ proc gdb_compile_shlib_pthreads {sources dest options} {
 proc gdb_compile_objc {source dest type options} {
     set built_binfile 0
     set why_msg "unrecognized error"
+    lappend options "nowarnings"
     foreach lib {-lobjc -lpthreads -lpthread -lthread solaris} {
         # This kind of wipes out whatever libs the caller may have
         # set.  Or maybe theirs will override ours.  How infelicitous.
...
and get:
...
Running /data/gdb_versions/devel/src/gdb/testsuite/gdb.objc/print.exp ...
Running /data/gdb_versions/devel/src/gdb/testsuite/gdb.objc/objcdecode.exp ...
FAIL: gdb.objc/objcdecode.exp: continue after break on multiply defined symbol
Running /data/gdb_versions/devel/src/gdb/testsuite/gdb.objc/nondebug.exp ...
Running /data/gdb_versions/devel/src/gdb/testsuite/gdb.objc/basicclass.exp ...
FAIL: gdb.objc/basicclass.exp: continue until method breakpoint
FAIL: gdb.objc/basicclass.exp: continue until method breakpoint
FAIL: gdb.objc/basicclass.exp: print an ivar of self
FAIL: gdb.objc/basicclass.exp: print self
FAIL: gdb.objc/basicclass.exp: print contents of self
FAIL: gdb.objc/basicclass.exp: continue until category method
FAIL: gdb.objc/basicclass.exp: call an Objective-C method with no arguments
FAIL: gdb.objc/basicclass.exp: call an Objective-C method with one argument
FAIL: gdb.objc/basicclass.exp: use of the print-object command
FAIL: gdb.objc/basicclass.exp: use of the po (print-object) command

                === gdb Summary ===

# of expected passes            28
# of unexpected failures        11
...

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