[Bug guile/29241] New: [gcc 4.8] FAIL: gdb.guile/scm-type.exp: lang_cpp: test_range: on flexible array member: guile (print (type-range (field-type (type-field (value-type (value-dereference f)) "items"))))

[Bug guile/29241] New: [gcc 4.8] FAIL: gdb.guile/scm-type.exp: lang_cpp: test_range: on flexible array member: guile (print (type-range (field-type (type-field (value-type (value-dereference f)) "items"))))

[vries at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=29241

            Bug ID: 29241
           Summary: [gcc 4.8] FAIL: gdb.guile/scm-type.exp: lang_cpp:
                    test_range: on flexible array member: guile (print
                    (type-range (field-type (type-field (value-type
                    (value-dereference f)) "items"))))
           Product: gdb
           Version: HEAD
            Status: NEW
          Severity: normal
          Priority: P2
         Component: guile
          Assignee: unassigned at sourceware dot org
          Reporter: vries at gcc dot gnu.org
  Target Milestone: ---

With gcc 4.8 and target board unix/-m32 I run into:
...
FAIL: gdb.guile/scm-type.exp: lang_cpp: test_range: on flexible array member:
guile (print (type-range (field-type (type-field (value-type (value-dereference
f)) "items"))))
FAIL: gdb.guile/scm-type.exp: lang_cpp: test_range: on flexible array member:
guile (print (value-subscript (value-field (value-dereference f) "items") 0))
FAIL: gdb.guile/scm-type.exp: lang_cpp: test_range: on flexible array member:
guile (print (value-subscript (value-field (value-dereference f) "items") 1))
...

The first FAIL is somewhat similar to what was fixed in commit 22589c49962
("[gdb/testsuite] Fix gdb.guile/scm-type.exp with gcc 4.8") for the -m64 case:
...
(gdb) guile (print (type-range (field-type (type-field (value-type
(value-dereference f)) "items"))))^M
= (0 4294967295)^M
(gdb) FAIL: gdb.guile/scm-type.exp: lang_cpp: test_range: on flexible array
member: guile (print (type-range (field-type (type-field (value-type
(value-dereference f)) "items"))))
...

But the following fails look more serious:
...
(gdb) guile (print (value-subscript (value-field (value-dereference f) "items")
0))^M
ERROR: no such vector element^M
Error while executing Scheme code.^M
(gdb) FAIL: gdb.guile/scm-type.exp: lang_cpp: test_range: on flexible array
member: guile (print (value-subscript (value-field (value-dereference f)
"items") 0))
...

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[Bug guile/29241] [gcc 4.8, m32] FAIL: gdb.guile/scm-type.exp: lang_cpp: test_range: on flexible array member: guile (print (type-range (field-type (type-field (value-type (value-dereference f)) "items"))))

[vries at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=29241

Tom de Vries <vries at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[gcc 4.8] FAIL:             |[gcc 4.8, m32] FAIL:
                   |gdb.guile/scm-type.exp:     |gdb.guile/scm-type.exp:
                   |lang_cpp: test_range: on    |lang_cpp: test_range: on
                   |flexible array member:      |flexible array member:
                   |guile (print (type-range    |guile (print (type-range
                   |(field-type (type-field     |(field-type (type-field
                   |(value-type                 |(value-type
                   |(value-dereference f))      |(value-dereference f))
                   |"items"))))                 |"items"))))

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