ICU-62107.0.1.tar.gz

[apple/icu.git] / icuSources / common / cmemory.cpp

diff --git a/icuSources/common/cmemory.cpp b/icuSources/common/cmemory.cpp
index 2176c929e84fbc3b031a40576e296f07ac14a110..663c1411e4cb3b8f9dbf3eddb46139d3c8aa2f57 100644 (file)
--- a/icuSources/common/cmemory.cpp
+++ b/icuSources/common/cmemory.cpp
@@ -41,30 +41,6 @@ static int n=0;
 static long b=0; 
 #endif
 
-#if U_DEBUG
-
-static char gValidMemorySink = 0;
-
-U_CAPI void uprv_checkValidMemory(const void *p, size_t n) {
-    /*
-     * Access the memory to ensure that it's all valid.
-     * Load and save a computed value to try to ensure that the compiler
-     * does not throw away the whole loop.
-     * A thread analyzer might complain about un-mutexed access to gValidMemorySink
-     * which is true but harmless because no one ever uses the value in gValidMemorySink.
-     */
-    const char *s = (const char *)p;
-    char c = gValidMemorySink;
-    size_t i;
-    U_ASSERT(p != NULL);
-    for(i = 0; i < n; ++i) {
-        c ^= s[i];
-    }
-    gValidMemorySink = c;
-}
-
-#endif  /* U_DEBUG */
-
 U_CAPI void * U_EXPORT2
 uprv_malloc(size_t s) {
 #if U_DEBUG && defined(UPRV_MALLOC_COUNT)