From 3080d926afca339eb392fffa46498b52eead3a16 Mon Sep 17 00:00:00 2001
From: Victor Stinner <victor.stinner@gmail.com>
Date: Tue, 6 May 2014 11:32:29 +0200
Subject: Issue #21233: Fix _PyObject_Alloc() when compiled with WITH_VALGRIND
 defined

---
 Objects/obmalloc.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/Objects/obmalloc.c b/Objects/obmalloc.c
index e16a1db..af2bab0 100644
--- a/Objects/obmalloc.c
+++ b/Objects/obmalloc.c
@@ -1176,6 +1176,9 @@ _PyObject_Alloc(int use_calloc, void *ctx, size_t nelem, size_t elsize)
 
     _Py_AllocatedBlocks++;
 
+    assert(nelem <= PY_SSIZE_T_MAX / elsize);
+    nbytes = nelem * elsize;
+
 #ifdef WITH_VALGRIND
     if (UNLIKELY(running_on_valgrind == -1))
         running_on_valgrind = RUNNING_ON_VALGRIND;
@@ -1183,9 +1186,6 @@ _PyObject_Alloc(int use_calloc, void *ctx, size_t nelem, size_t elsize)
         goto redirect;
 #endif
 
-    assert(nelem <= PY_SSIZE_T_MAX / elsize);
-    nbytes = nelem * elsize;
-
     if (nelem == 0 || elsize == 0)
         goto redirect;
 
-- 
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