gdb/fortran: print function arguments when printing function type

Before this commit using ptype on a Fortran function will include
information about the functions return type, but not the expected
arguments as it would for C or C++.  After this commit argument types
are included in the ptype output.

For example, before GDB prints:

    (gdb) ptype fun1
    type = integer(kind=4) ()
    (gdb) ptype is_bigger
    type = logical(kind=4) ()

and after GDB prints:

    (gdb) ptype fun1
    type = integer(kind=4) (integer(kind=4))
    (gdb) ptype is_bigger
    type = logical(kind=4) (integer(kind=4), integer(kind=4))

gdb/ChangeLog:

	* f-typeprint.c (f_type_print_varspec_suffix): Handle printing
	function arguments.

gdb/testsuite/ChangeLog:

	* gdb.fortran/ptype-on-functions.exp: New file.
	* gdb.fortran/ptype-on-functions.f90: New file.

1 files changed, 1 insertions, 1 deletions

diff --git a/gdb/testsuite/gdb.dwarf2/dw2-case-insensitive.exp b/gdb/testsuite/gdb.dwarf2/dw2-case-insensitive.exp
index 2824e16bf34..ce24854a35b 100644
--- a/gdb/testsuite/gdb.dwarf2/dw2-case-insensitive.exp
+++ b/gdb/testsuite/gdb.dwarf2/dw2-case-insensitive.exp
@@ -45,7 +45,7 @@ gdb_test "set case-sensitive off" {warning: the current case sensitivity setting
 # Note that info functions gives the FUNC_lang result using the fortran syntax
 # as specified in dw-case-insensitive-debug.S DW_AT_language.
 gdb_test "info functions fUnC_lang" \
-	 "All functions matching regular expression \"fUnC_lang\":\[\r\n\]+File file1.txt:\r\n\tfoo FUNC_lang\\(\\);(\r\n\r\nNon-debugging symbols:\r\n0x\[0-9a-f\]+ +\\.FUNC_lang)?" \
+	 "All functions matching regular expression \"fUnC_lang\":\[\r\n\]+File file1.txt:\r\n\tfoo FUNC_lang\\(void\\);(\r\n\r\nNon-debugging symbols:\r\n0x\[0-9a-f\]+ +\\.FUNC_lang)?" \
 	 "regexp case-sensitive off"
 
 gdb_test "p fuNC_lang" { = {foo \(void\)} 0x[0-9a-f]+ <FUNC_lang>}