[Patch][gdb] Initialise quiet flag for "info functions"

[Matthew Malcomson <Matthew.Malcomson@arm.com>]

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With this flag unset, using 'info functions' without a set quiet flag
was not deterministic and was causing some flaky test failures.

Failures seen in (at least).
gdb.base/info_qt.exp
gdb.dwarf2/dw2-case-insensitive.exp
gdb.base/info-fun.exp

Ok for trunk?
I don't have commit rights.

gdb/ChangeLog:

2018-11-02  Matthew Malcomson  <matthew.malcomson@arm.com>

	* symtab.c (info_functions_command): Initialise quiet flag.



###############     Attachment also inlined for ease of reply    ###############


diff --git a/gdb/symtab.c b/gdb/symtab.c
index cd27a75e8ca2370a9d11ae6057d051ca6ce13f90..7649908d9c9341ad695626e0a22a085f2af302ef 100644
--- a/gdb/symtab.c
+++ b/gdb/symtab.c
@@ -4760,7 +4760,7 @@ info_functions_command (const char *args, int from_tty)
 {
   std::string regexp;
   std::string t_regexp;
-  bool quiet;
+  bool quiet = false;
 
   while (args != NULL
 	 && extract_info_print_args (&args, &quiet, &regexp, &t_regexp))


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diff --git a/gdb/symtab.c b/gdb/symtab.c
index cd27a75e8ca2370a9d11ae6057d051ca6ce13f90..7649908d9c9341ad695626e0a22a085f2af302ef 100644
--- a/gdb/symtab.c
+++ b/gdb/symtab.c
@@ -4760,7 +4760,7 @@ info_functions_command (const char *args, int from_tty)
 {
   std::string regexp;
   std::string t_regexp;
-  bool quiet;
+  bool quiet = false;
 
   while (args != NULL
 	 && extract_info_print_args (&args, &quiet, &regexp, &t_regexp))