[3.14] gh-138264: Fix gcc 14 compiler warnings (GH-138265) (GH-138426)

(cherry picked from commit 4a33077)

Author: serhiy-storchaka

Include/internal/pycore_stats.h

@@ -77,7 +77,7 @@ PyAPI_FUNC(PyObject*) _Py_GetSpecializationStats(void);
 #define RARE_EVENT_INTERP_INC(interp, name) \
     do { \
         /* saturating add */ \
-        int val = FT_ATOMIC_LOAD_UINT8_RELAXED(interp->rare_events.name); \
+        uint8_t val = FT_ATOMIC_LOAD_UINT8_RELAXED(interp->rare_events.name); \
         if (val < UINT8_MAX) { \
             FT_ATOMIC_STORE_UINT8(interp->rare_events.name, val + 1); \
         } \

Lib/test/test_generated_cases.py

@@ -1601,7 +1601,7 @@ def test_instruction_size_macro(self):
             frame->instr_ptr = next_instr;
             next_instr += 1;
             INSTRUCTION_STATS(OP);
-            frame->return_offset = 1 ;
+            frame->return_offset = 1u ;
             DISPATCH();
         }
         """

Modules/_sre/sre.c

@@ -2355,7 +2355,7 @@ match_getindex(MatchObject* self, PyObject* index)
     }
 
     // Check that i*2 cannot overflow to make static analyzers happy
-    assert(i <= SRE_MAXGROUPS);
+    assert((size_t)i <= SRE_MAXGROUPS);
     return i;
 }
 

Python/executor_cases.c.h

@@ -443,7 +443,7 @@ def instruction_size(self,
         """Replace the INSTRUCTION_SIZE macro with the size of the current instruction."""
         if uop.instruction_size is None:
             raise analysis_error("The INSTRUCTION_SIZE macro requires uop.instruction_size to be set", tkn)
-        self.out.emit(f" {uop.instruction_size} ")
+        self.out.emit(f" {uop.instruction_size}u ")
         return True
 
     def _print_storage(self, reason:str, storage: Storage) -> None: