Fortran: Fix build on solaris [PR107635]

libgfortran/ChangeLog:

	PR fortran/107635
	* caf/single.c: Replace alloca with __builtin_alloca.

diff --git a/libgfortran/caf/single.c b/libgfortran/caf/single.c
index d4e081be4dd7b38e97beea6ff30d4446e3a27cbc..9c1c0c1bc8ca6bb51ff57280483382a53194ccf2 100644 (file)
--- a/libgfortran/caf/single.c
+++ b/libgfortran/caf/single.c
@@ -672,12 +672,12 @@ _gfortran_caf_transfer_between_remotes (
   if (!scalar_transfer)
     {
       const size_t desc_size = sizeof (*transfer_desc);
-      transfer_desc = alloca (desc_size);
+      transfer_desc = __builtin_alloca (desc_size);
       memset (transfer_desc, 0, desc_size);
       transfer_ptr = transfer_desc;
     }
   else if (opt_dst_charlen)
-    transfer_ptr = alloca (*opt_dst_charlen * src_size);
+    transfer_ptr = __builtin_alloca (*opt_dst_charlen * src_size);
   else
     {
       buffer = NULL;