From 282de06cab689f8baa856923a62e4ad99167e57c Mon Sep 17 00:00:00 2001
From: dkf <donal.k.fellows@manchester.ac.uk>
Date: Tue, 25 Feb 2014 15:49:52 +0000
Subject: [8d5f5b8034] Flush internal representations in [string tolower] of
 unshared obj

---
 generic/tclExecute.c | 3 +++
 tests/string.test    | 9 +++++++++
 2 files changed, 12 insertions(+)

diff --git a/generic/tclExecute.c b/generic/tclExecute.c
index 89305e6..41730d3 100644
--- a/generic/tclExecute.c
+++ b/generic/tclExecute.c
@@ -5392,6 +5392,7 @@ TEBCresume(
 	} else {
 	    length = Tcl_UtfToUpper(TclGetString(valuePtr));
 	    Tcl_SetObjLength(valuePtr, length);
+	    TclFreeIntRep(valuePtr);
 	    TRACE_APPEND(("\"%.20s\"\n", O2S(valuePtr)));
 	    NEXT_INST_F(1, 0, 0);
 	}
@@ -5408,6 +5409,7 @@ TEBCresume(
 	} else {
 	    length = Tcl_UtfToLower(TclGetString(valuePtr));
 	    Tcl_SetObjLength(valuePtr, length);
+	    TclFreeIntRep(valuePtr);
 	    TRACE_APPEND(("\"%.20s\"\n", O2S(valuePtr)));
 	    NEXT_INST_F(1, 0, 0);
 	}
@@ -5424,6 +5426,7 @@ TEBCresume(
 	} else {
 	    length = Tcl_UtfToTitle(TclGetString(valuePtr));
 	    Tcl_SetObjLength(valuePtr, length);
+	    TclFreeIntRep(valuePtr);
 	    TRACE_APPEND(("\"%.20s\"\n", O2S(valuePtr)));
 	    NEXT_INST_F(1, 0, 0);
 	}
diff --git a/tests/string.test b/tests/string.test
index 740cdc6..cf658a2 100644
--- a/tests/string.test
+++ b/tests/string.test
@@ -1398,6 +1398,9 @@ test string-15.9 {string tolower} {
 test string-15.10 {string tolower, unicode} {
      string tolower ABCabc\xc7\xe7
 } "abcabc\xe7\xe7"
+test string-15.11 {string tolower, compiled} {
+    lindex [string tolower [list A B [list C]]] 1
+} b
 
 test string-16.1 {string toupper} {
     list [catch {string toupper} msg] $msg
@@ -1429,6 +1432,9 @@ test string-16.9 {string toupper} {
 test string-16.10 {string toupper, unicode} {
     string toupper ABCabc\xc7\xe7
 } "ABCABC\xc7\xc7"
+test string-16.11 {string toupper, compiled} {
+    lindex [string toupper [list a b [list c]]] 1
+} B
 
 test string-17.1 {string totitle} {
     list [catch {string totitle} msg] $msg
@@ -1451,6 +1457,9 @@ test string-17.6 {string totitle, unicode} {
 test string-17.7 {string totitle, unicode} {
     string totitle \u01f3BCabc\xc7\xe7
 } "\u01f2bcabc\xe7\xe7"
+test string-17.8 {string totitle, compiled} {
+    lindex [string totitle [list aa bb [list cc]]] 0
+} Aa
 
 test string-18.1 {string trim} {
     list [catch {string trim} msg] $msg
-- 
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