Bug#30560 Valgrind option to mysql-test-run with spaces in cause strange error

mysql-test/mysql-test-run.pl:
  Use an array to store the valgrind options
  Deprecate --valgrind-options=s and instead use --valgrind-option(but allow
  PushBuild's) --valgrind-options=s usage.
  Make the variables local

mysql-test/mysql-test-run.pl

@@ -255,13 +255,13 @@ our $opt_timer= 1;
 
 our $opt_user;
 
-our $opt_valgrind= 0;
-our $opt_valgrind_mysqld= 0;
-our $opt_valgrind_mysqltest= 0;
-our $default_valgrind_options= "--show-reachable=yes";
-our $opt_valgrind_options;
-our $opt_valgrind_path;
-our $opt_callgrind;
+my $opt_valgrind= 0;
+my $opt_valgrind_mysqld= 0;
+my $opt_valgrind_mysqltest= 0;
+my @default_valgrind_args= ("--show-reachable=yes");
+my @valgrind_args;
+my $opt_valgrind_path;
+my $opt_callgrind;
 
 our $opt_stress=               "";
 our $opt_stress_suite=     "main";
@@ -575,7 +575,18 @@ sub command_line_setup () {
              'valgrind|valgrind-all'    => \$opt_valgrind,
              'valgrind-mysqltest'       => \$opt_valgrind_mysqltest,
              'valgrind-mysqld'          => \$opt_valgrind_mysqld,
-             'valgrind-options=s'       => \$opt_valgrind_options,
+             'valgrind-options=s'       => sub {
+	       my ($opt, $value)= @_;
+	       # Deprecated option unless it's what we know pushbuild uses
+	       if ($value eq "--gen-suppressions=all --show-reachable=yes") {
+		 push(@valgrind_args, $_) for (split(' ', $value));
+		 return;
+	       }
+	       die("--valgrind-options=s is deprecated. Use ",
+		   "--valgrind-option=s, to be specified several",
+		   " times if necessary");
+	     },
+             'valgrind-option=s'        => \@valgrind_args,
              'valgrind-path=s'          => \$opt_valgrind_path,
 	     'callgrind'                => \$opt_callgrind,
 
@@ -992,7 +1003,7 @@ sub command_line_setup () {
   # --------------------------------------------------------------------------
   # Check valgrind arguments
   # --------------------------------------------------------------------------
-  if ( $opt_valgrind or $opt_valgrind_path or defined $opt_valgrind_options)
+  if ( $opt_valgrind or $opt_valgrind_path or @valgrind_args)
   {
     mtr_report("Turning on valgrind for all executables");
     $opt_valgrind= 1;
@@ -1017,17 +1028,18 @@ sub command_line_setup () {
     $opt_valgrind_mysqld= 1;
 
     # Set special valgrind options unless options passed on command line
-    $opt_valgrind_options="--trace-children=yes"
-      unless defined $opt_valgrind_options;
+    push(@valgrind_args, "--trace-children=yes")
+      unless @valgrind_args;
   }
 
   if ( $opt_valgrind )
   {
     # Set valgrind_options to default unless already defined
-    $opt_valgrind_options=$default_valgrind_options
-      unless defined $opt_valgrind_options;
+    push(@valgrind_args, @default_valgrind_args)
+      unless @valgrind_args;
 
-    mtr_report("Running valgrind with options \"$opt_valgrind_options\"");
+    mtr_report("Running valgrind with options \"",
+	       join(" ", @valgrind_args), "\"");
   }
 
   if ( ! $opt_testcase_timeout )
@@ -5008,7 +5020,7 @@ sub valgrind_arguments {
   }
 
   # Add valgrind options, can be overriden by user
-  mtr_add_arg($args, '%s', $opt_valgrind_options);
+  mtr_add_arg($args, '%s', $_) for (@valgrind_args);
 
   mtr_add_arg($args, $$exe);
 
@@ -5148,12 +5160,14 @@ Options for coverage, profiling etc
   gcov                  FIXME
   gprof                 FIXME
   valgrind              Run the "mysqltest" and "mysqld" executables using
-                        valgrind with options($default_valgrind_options)
+                        valgrind with default options
   valgrind-all          Synonym for --valgrind
   valgrind-mysqltest    Run the "mysqltest" and "mysql_client_test" executable
                         with valgrind
   valgrind-mysqld       Run the "mysqld" executable with valgrind
-  valgrind-options=ARGS Options to give valgrind, replaces default options
+  valgrind-options=ARGS Deprecated, use --valgrind-option
+  valgrind-option=ARGS  Option to give valgrind, replaces default option(s),
+                        can be specified more then once
   valgrind-path=[EXE]   Path to the valgrind executable
   callgrind             Instruct valgrind to use callgrind