patch 9.1.0546: vim-tiny fails on CTRL-X/CTRL-A

Problem:  vim-tiny fails on CTRL-X/CTRL-A
          (Rob Foehl, after 9.1.0172)
Solution: Move #ifdefs, so that after changing the line in del_bytes,
          the cached textlen value is invalidated

closes: #15178

Co-authored-by: zeertzjq <zeertzjq@outlook.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/change.c b/src/change.c
index dacc06f..72d01c5 100644
--- a/src/change.c
+++ b/src/change.c
@@ -1355,17 +1355,17 @@
     mch_memmove(newp + col, oldp + col + count, (size_t)movelen);
     if (alloc_newp)
 	ml_replace(lnum, newp, FALSE);
-#ifdef FEAT_PROP_POPUP
     else
     {
+#ifdef FEAT_PROP_POPUP
 	// Also move any following text properties.
 	if (oldlen + 1 < curbuf->b_ml.ml_line_len)
 	    mch_memmove(newp + newlen + 1, oldp + oldlen + 1,
 			       (size_t)curbuf->b_ml.ml_line_len - oldlen - 1);
+#endif
 	curbuf->b_ml.ml_line_len -= count;
 	curbuf->b_ml.ml_line_textlen = 0;
     }
-#endif
 
     // mark the buffer as changed and prepare for displaying
     inserted_bytes(lnum, col, -count);
diff --git a/src/testdir/Make_all.mak b/src/testdir/Make_all.mak
index a49f158..f199fec 100644
--- a/src/testdir/Make_all.mak
+++ b/src/testdir/Make_all.mak
@@ -20,7 +20,8 @@
 	test24 \
 	test25 \
 	test26 \
-	test27
+	test27 \
+	test28
 
 SCRIPTS_TINY_OUT = \
 	test10.out \
@@ -31,7 +32,8 @@
 	test24.out \
 	test25.out \
 	test26.out \
-	test27.out
+	test27.out \
+	test28.out
 
 # Tests for Vim9 script.
 TEST_VIM9 = \
diff --git a/src/testdir/test28.in b/src/testdir/test28.in
new file mode 100644
index 0000000..3d5289d
--- /dev/null
+++ b/src/testdir/test28.in
@@ -0,0 +1,13 @@
+Test for using CTRL-A/CTRL-X in tiny mode
+
+STARTTEST
+/12352
+/12354
+:/^STARTHERE/+,$w! test.out
+:qa!
+ENDTEST
+
+STARTHERE
+12352
+
+12354
diff --git a/src/testdir/test28.ok b/src/testdir/test28.ok
new file mode 100644
index 0000000..085c133
--- /dev/null
+++ b/src/testdir/test28.ok
@@ -0,0 +1,3 @@
+12353
+
+12353
diff --git a/src/version.c b/src/version.c
index 59c9f97..53bafd3 100644
--- a/src/version.c
+++ b/src/version.c
@@ -705,6 +705,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    546,
+/**/
     545,
 /**/
     544,