diff --git a/.idea/cmake.xml b/.idea/cmake.xml
index ebc6a0570..e4a08eaa6 100644
--- a/.idea/cmake.xml
+++ b/.idea/cmake.xml
@@ -75,7 +75,7 @@
       <configuration PROFILE_NAME="stm32u575nucleo" ENABLED="false" CONFIG_NAME="Debug" GENERATION_OPTIONS="-DBOARD=stm32u575nucleo -DLOG=3" />
       <configuration PROFILE_NAME="stm32u5a5nucleo" ENABLED="false" CONFIG_NAME="Debug" GENERATION_OPTIONS="-DBOARD=stm32u5a5nucleo -DLOG=3 -DLOGGER=RTT" />
       <configuration PROFILE_NAME="ra2a1" ENABLED="false" CONFIG_NAME="Debug" GENERATION_OPTIONS="-DBOARD=ra2a1_ek -DLOG=3 -DLOGGER=RTT" />
-      <configuration PROFILE_NAME="ra4m1" ENABLED="false" CONFIG_NAME="Debug" GENERATION_OPTIONS="-DBOARD=ra4m1_ek -DLOG=3 -DLOGGER=RTT" />
+      <configuration PROFILE_NAME="ra4m1" ENABLED="true" CONFIG_NAME="Debug" GENERATION_OPTIONS="-DBOARD=ra4m1_ek -DLOG=3 -DLOGGER=RTT" />
       <configuration PROFILE_NAME="ra6m1" ENABLED="false" CONFIG_NAME="Debug" GENERATION_OPTIONS="-DBOARD=ra6m1_ek -DLOG=3 -DLOGGER=RTT" />
       <configuration PROFILE_NAME="ra6m5" ENABLED="false" CONFIG_NAME="Debug" GENERATION_OPTIONS="-DBOARD=ra6m5_ek -DLOG=3 -DLOGGER=RTT -DTRACE_ETM=1" />
       <configuration PROFILE_NAME="ra6m5 PORT0" ENABLED="false" CONFIG_NAME="Debug" GENERATION_OPTIONS="-DBOARD=ra6m5_ek -DLOG=3 -DLOGGER=RTT -DTRACE_ETM=1 -DPORT=0" />
diff --git a/examples/device/cdc_msc_freertos/src/freertos_hook.c b/examples/device/cdc_msc_freertos/src/freertos_hook.c
index ab885947c..3cd27e08c 100644
--- a/examples/device/cdc_msc_freertos/src/freertos_hook.c
+++ b/examples/device/cdc_msc_freertos/src/freertos_hook.c
@@ -99,9 +99,10 @@ void vApplicationGetTimerTaskMemory( StaticTask_t **ppxTimerTaskTCBBuffer, Stack
 void vApplicationSetupTimerInterrupt(void)
 {
   /* Enable CMT0 */
+  unsigned short oldPRCR = SYSTEM.PRCR.WORD;
   SYSTEM.PRCR.WORD = (0xA5u<<8) | TU_BIT(1);
   MSTP(CMT0)       = 0;
-  SYSTEM.PRCR.WORD = (0xA5u<<8);
+  SYSTEM.PRCR.WORD = oldPRCR;
 
   CMT0.CMCNT      = 0;
   CMT0.CMCOR      = (unsigned short)(((configPERIPHERAL_CLOCK_HZ/configTICK_RATE_HZ)-1)/128);
diff --git a/examples/device/hid_composite_freertos/src/freertos_hook.c b/examples/device/hid_composite_freertos/src/freertos_hook.c
index ab885947c..3cd27e08c 100644
--- a/examples/device/hid_composite_freertos/src/freertos_hook.c
+++ b/examples/device/hid_composite_freertos/src/freertos_hook.c
@@ -99,9 +99,10 @@ void vApplicationGetTimerTaskMemory( StaticTask_t **ppxTimerTaskTCBBuffer, Stack
 void vApplicationSetupTimerInterrupt(void)
 {
   /* Enable CMT0 */
+  unsigned short oldPRCR = SYSTEM.PRCR.WORD;
   SYSTEM.PRCR.WORD = (0xA5u<<8) | TU_BIT(1);
   MSTP(CMT0)       = 0;
-  SYSTEM.PRCR.WORD = (0xA5u<<8);
+  SYSTEM.PRCR.WORD = oldPRCR;
 
   CMT0.CMCNT      = 0;
   CMT0.CMCOR      = (unsigned short)(((configPERIPHERAL_CLOCK_HZ/configTICK_RATE_HZ)-1)/128);
diff --git a/src/common/tusb_compiler.h b/src/common/tusb_compiler.h
index 6f07bdd53..86d150c68 100644
--- a/src/common/tusb_compiler.h
+++ b/src/common/tusb_compiler.h
@@ -56,7 +56,7 @@
 #elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 201112L
   #define TU_VERIFY_STATIC   _Static_assert
 #elif defined(__CCRX__)
-  #define TU_VERIFY_STATIC(const_expr, _mess) typedef char TU_XSTRCAT(Line, __LINE__)[(const_expr) ? 1 : 0];
+  #define TU_VERIFY_STATIC(const_expr, _mess) typedef char TU_XSTRCAT3(Line, __LINE__, _TU_COUNTER_)[(const_expr) ? 1 : 0];
 #else
   #define TU_VERIFY_STATIC(const_expr, _mess) enum { TU_XSTRCAT(_verify_static_, _TU_COUNTER_) = 1/(!!(const_expr)) }
 #endif