On ARMv7, GCC catches this particular problem and reports trying
to copy a string into a space too small; it counts the terminating
NULL as part of the char[].

diff -Naur acpica-unix2-20200214.orig/source/components/utilities/utstring.c acpica-unix2-20200214/source/components/utilities/utstring.c
--- acpica-unix2-20200214.orig/source/components/utilities/utstring.c	2020-02-14 10:33:55.000000000 -0700
+++ acpica-unix2-20200214/source/components/utilities/utstring.c	2020-02-24 16:52:24.623218044 -0700
@@ -185,7 +185,7 @@
 {
     UINT32                  i;
     BOOLEAN                 FoundBadChar = FALSE;
-    UINT32                  OriginalName;
+    char                    OriginalName[ACPI_NAMESEG_SIZE+1];
 
 
     ACPI_FUNCTION_NAME (UtRepairName);