Author: Shreeyash Pandey
Date: 2026-07-08T12:33:55+05:30
New Revision: 6eb35326147077a18f6fc56540059d779d7e3d4b

URL: 
https://github.com/llvm/llvm-project/commit/6eb35326147077a18f6fc56540059d779d7e3d4b
DIFF: 
https://github.com/llvm/llvm-project/commit/6eb35326147077a18f6fc56540059d779d7e3d4b.diff

LOG: [libunwind] include alloca.h in test/aarch64_za_unwind.pass.cpp (#207376)

Glibc provides the alloca function as a part of stdlib.h when
_GNU_SOURCE is declared (which is the case with standard linux builds).
[1]

On non-glibc systems, this may not be the case (for example, picolibc).
These libraries may not implicitly include alloca.h as a part of the
standard lib.

[1]
https://github.com/bminor/glibc/blob/04e750e75b73957cf1c791535a3f4319534a52fc/stdlib/stdlib.h#L728

Signed-off-by: Shreeyash Pandey <[email protected]>

Added: 
    

Modified: 
    libunwind/test/aarch64_za_unwind.pass.cpp

Removed: 
    


################################################################################
diff  --git a/libunwind/test/aarch64_za_unwind.pass.cpp 
b/libunwind/test/aarch64_za_unwind.pass.cpp
index 36536860c1a96..0e8e1f0de4f78 100644
--- a/libunwind/test/aarch64_za_unwind.pass.cpp
+++ b/libunwind/test/aarch64_za_unwind.pass.cpp
@@ -9,6 +9,7 @@
 // REQUIRES: target={{aarch64-.+}}
 // UNSUPPORTED: target={{.*-windows.*}}
 
+#include <alloca.h>
 #include <libunwind.h>
 #include <stdint.h>
 #include <stdio.h>


        
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