Issue #19537: Fix PyUnicode_DATA() alignment under m68k. Patch by Andreas Schwab.

Include/unicodeobject.h

@@ -343,6 +343,9 @@ typedef struct {
            the data pointer is filled out. The bit is redundant, and helps
            to minimize the test in PyUnicode_IS_READY(). */
         unsigned int ready:1;
+        /* Padding to ensure that PyUnicode_DATA() is always aligned to
+           4 bytes (see issue #19537 on m68k). */
+        unsigned int :24;
     } state;
     wchar_t *wstr;              /* wchar_t representation (null-terminated) */
 } PyASCIIObject;

Misc/ACKS

@@ -1170,6 +1170,7 @@ Robin Schreiber
 Chad J. Schroeder
 Christian Schubert
 Sam Schulenburg
+Andreas Schwab
 Stefan Schwarzer
 Dietmar Schwertberger
 Federico Schwindt

Misc/NEWS

@@ -10,6 +10,9 @@ Release date: TBA
 Core and Builtins
 -----------------
 
+- Issue #19537: Fix PyUnicode_DATA() alignment under m68k.  Patch by
+  Andreas Schwab.
+
 - Issue #20929: Add a type cast to avoid shifting a negative number.
 
 - Issue #20731: Properly position in source code files even if they