[PATCH] D90615: [libunwind] Add missing #include <alloca.h>

[Mikhail Maltsev via Phabricator via llvm-commits]

miyuki created this revision.
miyuki added reviewers: mstorsjo, danielkiss.
Herald added projects: LLVM, libunwind.
Herald added subscribers: libcxx-commits, llvm-commits.
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miyuki requested review of this revision.

The macro/function `alloca()` is declared in `<alloca.h>` and in our
configuration it does not get included transitively from other
headers.

      

This patch adds `#include <alloca.h>` when `alloca()` is used.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D90615

Files:
  libunwind/src/config.h


Index: libunwind/src/config.h
===================================================================
--- libunwind/src/config.h
+++ libunwind/src/config.h
@@ -124,6 +124,7 @@
 #if defined(_LIBUNWIND_REMEMBER_STACK_ALLOC) || defined(__APPLE__) ||          \
     defined(__linux__) || defined(__ANDROID__) || defined(__MINGW32__) ||      \
     defined(_LIBUNWIND_IS_BAREMETAL)
+#include <alloca.h>
 #define _LIBUNWIND_REMEMBER_ALLOC(_size) alloca(_size)
 #define _LIBUNWIND_REMEMBER_FREE(_ptr)                                         \
   do {                                                                         \


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