diff --git a/mysql-test/r/archive_plugin.result b/mysql-test/r/archive_plugin.result
index 221b343cca5..90c1f10bf19 100644
--- a/mysql-test/r/archive_plugin.result
+++ b/mysql-test/r/archive_plugin.result
@@ -10,6 +10,9 @@ UNINSTALL PLUGIN archive;
 INSTALL PLUGIN archive SONAME 'ha_archive.so';
 CREATE TABLE t1(a int) ENGINE=ARCHIVE;
 DROP TABLE t1;
+SELECT 1;
+1
+1
 UNINSTALL PLUGIN archive;
 UNINSTALL PLUGIN archive;
 ERROR 42000: PLUGIN archive does not exist
diff --git a/mysql-test/r/blackhole_plugin.result b/mysql-test/r/blackhole_plugin.result
index 9fc0cacd9cc..4ef9fa0fa47 100644
--- a/mysql-test/r/blackhole_plugin.result
+++ b/mysql-test/r/blackhole_plugin.result
@@ -10,6 +10,9 @@ UNINSTALL PLUGIN blackhole;
 INSTALL PLUGIN blackhole SONAME 'ha_blackhole.so';
 CREATE TABLE t1(a int) ENGINE=BLACKHOLE;
 DROP TABLE t1;
+SELECT 1;
+1
+1
 UNINSTALL PLUGIN blackhole;
 UNINSTALL PLUGIN blackhole;
 ERROR 42000: PLUGIN blackhole does not exist
diff --git a/mysql-test/r/func_analyse.result b/mysql-test/r/func_analyse.result
index 1820782d2f8..92fc26e7ba3 100644
--- a/mysql-test/r/func_analyse.result
+++ b/mysql-test/r/func_analyse.result
@@ -123,3 +123,16 @@ CREATE TABLE t2 SELECT 1 FROM t1, t1 t3 GROUP BY t3.a PROCEDURE ANALYSE();
 ERROR HY000: Incorrect usage of PROCEDURE and non-SELECT
 DROP TABLE t1;
 End of 5.0 tests
+#
+# Bug#11765202: Dbug_violation_helper::~Dbug_violation_helper(): Assertion `!_entered' failed.
+#
+DROP TABLE IF EXISTS t1;
+Warnings:
+Note	1051	Unknown table 't1'
+CREATE TABLE t1 (a VARCHAR(2) CHARSET UTF8 NOT NULL);
+INSERT INTO t1 VALUES ('e'),('e'),('e-');
+SELECT * FROM t1 PROCEDURE ANALYSE();
+Field_name	Min_value	Max_value	Min_length	Max_length	Empties_or_zeros	Nulls	Avg_value_or_avg_length	Std	Optimal_fieldtype
+test.t1.a	e	e-	1	2	0	0	1.3333	NULL	ENUM('e','e-') NOT NULL
+DROP TABLE t1;
+End of 5.1 tests
diff --git a/mysql-test/t/archive_plugin.test b/mysql-test/t/archive_plugin.test
index 567a0a58ce7..7d9b0ea065f 100644
--- a/mysql-test/t/archive_plugin.test
+++ b/mysql-test/t/archive_plugin.test
@@ -20,6 +20,14 @@ CREATE TABLE t1(a int) ENGINE=ARCHIVE;
 
 DROP TABLE t1;
 
+# This dummy statement is required for --ps-protocol mode.
+# The thing is that last prepared statement is "cached" in mysqltest.cc
+# (unless "reconnect" is enabled, and that's not the case here).
+# This statement forces mysqltest.cc to close prepared "DROP TABLE t1".
+# Otherwise, the plugin can not be uninstalled because there is an active
+# prepared statement using it.
+SELECT 1;
+
 UNINSTALL PLUGIN archive;
 
 --error ER_SP_DOES_NOT_EXIST 
diff --git a/mysql-test/t/blackhole_plugin.test b/mysql-test/t/blackhole_plugin.test
index 1de5b2d0499..448104bed2b 100644
--- a/mysql-test/t/blackhole_plugin.test
+++ b/mysql-test/t/blackhole_plugin.test
@@ -20,6 +20,14 @@ CREATE TABLE t1(a int) ENGINE=BLACKHOLE;
 
 DROP TABLE t1;
 
+# This dummy statement is required for --ps-protocol mode.
+# The thing is that last prepared statement is "cached" in mysqltest.cc
+# (unless "reconnect" is enabled, and that's not the case here).
+# This statement forces mysqltest.cc to close prepared "DROP TABLE t1".
+# Otherwise, the plugin can not be uninstalled because there is an active
+# prepared statement using it.
+SELECT 1;
+
 UNINSTALL PLUGIN blackhole;
 --error ER_SP_DOES_NOT_EXIST
 UNINSTALL PLUGIN blackhole;
diff --git a/mysql-test/t/file_contents.test b/mysql-test/t/file_contents.test
index 2a112e14495..33cd65fb2b4 100644
--- a/mysql-test/t/file_contents.test
+++ b/mysql-test/t/file_contents.test
@@ -10,9 +10,10 @@
 
 --perl
 print "\nChecking 'INFO_SRC' and 'INFO_BIN'\n";
-$dir_docs = $ENV{'MYSQL_BINDIR'};
-if($dir_docs =~ m|/usr/|) {
+$dir_bin = $ENV{'MYSQL_BINDIR'};
+if ($dir_bin =~ m|/usr/|) {
   # RPM package
+  $dir_docs = $dir_bin;
   $dir_docs =~ s|/lib|/share/doc|;
   if(-d "$dir_docs/packages/MySQL-server") {
     # SuSE
@@ -21,8 +22,19 @@ if($dir_docs =~ m|/usr/|) {
     # RedHat: version number in directory name
     $dir_docs = glob "$dir_docs/MySQL-server*";
   }
+} elsif ($dir_bin =~ m|/usr$|) {
+  # RPM build during development
+  $dir_docs = "$dir_bin/share/doc";
+  if(-d "$dir_docs/packages/MySQL-server") {
+    # SuSE
+    $dir_docs = "$dir_docs/packages/MySQL-server";
+  } else {
+    # RedHat: version number in directory name
+    $dir_docs = glob "$dir_docs/MySQL-server*";
+  }
 } else {
   # tar.gz package, Windows, or developer work (in BZR)
+  $dir_docs = $dir_bin;
   $dir_docs =~ s|/lib||;
   if(-d "$dir_docs/docs") {
     $dir_docs = "$dir_docs/docs"; # package
@@ -32,7 +44,7 @@ if($dir_docs =~ m|/usr/|) {
 }
 $found_version = "No line 'MySQL source #.#.#'";
 $found_revision = "No line 'revision-id: .....'";
-open(I_SRC,"<","$dir_docs/INFO_SRC") or print "Cannot open 'INFO_SRC' in '$dir_docs'\n";
+open(I_SRC,"<","$dir_docs/INFO_SRC") or print "Cannot open 'INFO_SRC' in '$dir_docs' (starting from bindir '$dir_bin')\n";
 while(defined ($line = <I_SRC>)) {
   if ($line =~ m|^MySQL source \d\.\d\.\d+|) {$found_version = "Found MySQL version number";}
   if ($line =~ m|^revision-id: .*@.*-2\d{13}-\w+$|) {$found_revision = "Found BZR revision id";}
@@ -41,7 +53,7 @@ close I_SRC;
 print "INFO_SRC: $found_version / $found_revision\n";
 $found_compiler = "No line about compiler information";
 $found_features = "No line 'Feature flags'";
-open(I_BIN,"<","$dir_docs/INFO_BIN") or print "Cannot open 'INFO_BIN' in '$dir_docs'\n";
+open(I_BIN,"<","$dir_docs/INFO_BIN") or print "Cannot open 'INFO_BIN' in '$dir_docs' (starting from bindir '$dir_bin')\n";
 while(defined ($line = <I_BIN>)) {
   # "generator" on Windows, "flags" on Unix:
   if (($line =~ m| Compiler / generator used: |) ||
diff --git a/mysql-test/t/func_analyse.test b/mysql-test/t/func_analyse.test
index 05f739bfd69..63929d8766b 100644
--- a/mysql-test/t/func_analyse.test
+++ b/mysql-test/t/func_analyse.test
@@ -133,3 +133,15 @@ DROP TABLE t1;
 
 
 --echo End of 5.0 tests
+
+--echo #
+--echo # Bug#11765202: Dbug_violation_helper::~Dbug_violation_helper(): Assertion `!_entered' failed.
+--echo #
+
+DROP TABLE IF EXISTS t1;
+CREATE TABLE t1 (a VARCHAR(2) CHARSET UTF8 NOT NULL);
+INSERT INTO t1 VALUES ('e'),('e'),('e-');
+SELECT * FROM t1 PROCEDURE ANALYSE();
+DROP TABLE t1;
+
+--echo End of 5.1 tests
diff --git a/sql/mysqld.cc b/sql/mysqld.cc
index 53f82e02e97..24ce134b40d 100644
--- a/sql/mysqld.cc
+++ b/sql/mysqld.cc
@@ -4656,10 +4656,15 @@ int mysqld_main(int argc, char **argv)
 #if defined(__WIN__) && !defined(EMBEDDED_LIBRARY)
 int mysql_service(void *p)
 {
+  if (my_thread_init())
+    return 1;
+  
   if (use_opt_args)
     win_main(opt_argc, opt_argv);
   else
     win_main(Service.my_argc, Service.my_argv);
+
+  my_thread_end();
   return 0;
 }
 
diff --git a/sql/sql_analyse.cc b/sql/sql_analyse.cc
index e3c0ed28052..b070768a7b6 100644
--- a/sql/sql_analyse.cc
+++ b/sql/sql_analyse.cc
@@ -242,7 +242,7 @@ bool test_if_number(NUM_INFO *info, const char *str, uint str_len)
       if (str == end)
       {
 	info->is_float = 1;             // we can't use variable decimals here
-	return 1;
+	DBUG_RETURN(1);
       }
       DBUG_RETURN(0);
     }