diff --git a/gcc/config/avr/avr.cc b/gcc/config/avr/avr.cc
index c193430cf07..3abe8da9aae 100644
--- a/gcc/config/avr/avr.cc
+++ b/gcc/config/avr/avr.cc
@@ -51,6 +51,7 @@
 #include "expr.h"
 #include "langhooks.h"
 #include "cfgrtl.h"
+#include "opts.h"
 #include "builtins.h"
 #include "context.h"
 #include "tree-pass.h"
@@ -756,6 +757,14 @@ avr_option_override (void)
       flag_omit_frame_pointer = 0;
     }
 
+  struct gcc_options *opts = &global_options;
+  struct gcc_options *opts_set = &global_options_set;
+
+  /* PR105523: AVR memory starts at address 0.  Avoid warning
+     "array subscript [0] is outside array bounds of 'volatile uint8_t[0]'"
+     so that SFR accesses won't throw silly warnings.  */
+  SET_OPTION_IF_UNSET (opts, opts_set, param_min_pagesize, 0);
+
   if (flag_pic == 1)
     warning (OPT_fpic, "%<-fpic%> is not supported");
   if (flag_pic == 2)
diff --git a/gcc/testsuite/gcc.target/avr/torture/pr105523.c b/gcc/testsuite/gcc.target/avr/torture/pr105523.c
new file mode 100644
index 00000000000..d510ab66949
--- /dev/null
+++ b/gcc/testsuite/gcc.target/avr/torture/pr105523.c
@@ -0,0 +1,11 @@
+/* { dg-do compile } */
+/* { dg-options "-Werror=all" } */
+
+typedef __UINT8_TYPE__ uint8_t;
+
+#define SFR (*(volatile uint8_t*) (__AVR_SFR_OFFSET__ + 1))
+
+void func (void)
+{
+    SFR = 1;
+}