[PATCH 5/5] malloc: Extend malloc function hiding to tst-reallocarray (BZ #32366)

Adhemerval Zanella adhemerval.zanella@linaro.org
Fri Dec 5 19:11:36 GMT 2025


clang 20 optimize out reallocarray.
---
 malloc/tst-malloc-aux.h   | 3 +++
 malloc/tst-reallocarray.c | 1 +
 2 files changed, 4 insertions(+)

diff --git a/malloc/tst-malloc-aux.h b/malloc/tst-malloc-aux.h
index cd752afa8b..8bed28583a 100644
--- a/malloc/tst-malloc-aux.h
+++ b/malloc/tst-malloc-aux.h
@@ -34,6 +34,7 @@ static __typeof (posix_memalign) * volatile posix_memalign_indirect
 static __typeof (pvalloc) * volatile pvalloc_indirect = pvalloc;
 static __typeof (realloc) * volatile realloc_indirect = realloc;
 static __typeof (valloc) * volatile valloc_indirect = valloc;
+static __typeof (reallocarray) * volatile reallocarray_indirect = reallocarray;
 
 #undef aligned_alloc
 #undef calloc
@@ -43,6 +44,7 @@ static __typeof (valloc) * volatile valloc_indirect = valloc;
 #undef pvalloc
 #undef realloc
 #undef valloc
+#undef reallocarray
 
 #define aligned_alloc aligned_alloc_indirect
 #define calloc calloc_indirect
@@ -52,5 +54,6 @@ static __typeof (valloc) * volatile valloc_indirect = valloc;
 #define pvalloc pvalloc_indirect
 #define realloc realloc_indirect
 #define valloc valloc_indirect
+#define reallocarray reallocarray_indirect
 
 #endif /* TST_MALLOC_AUX_H */
diff --git a/malloc/tst-reallocarray.c b/malloc/tst-reallocarray.c
index b4df4aa4e6..b00a508f50 100644
--- a/malloc/tst-reallocarray.c
+++ b/malloc/tst-reallocarray.c
@@ -21,6 +21,7 @@
 #include <string.h>
 #include <support/check.h>
 #include <libc-diag.h>
+#include "tst-malloc-aux.h"
 
 static void *
 reallocarray_nowarn (void *ptr, size_t nmemb, size_t size)
-- 
2.43.0



More information about the Libc-alpha mailing list