commit 2ae997222b8c3072e05dccff87aba27b92aaafae
author AndreyChurbanov <andrey.churbanov@intel.com> Fri Jan 29 13:16:41 2021 +0300
committer Copybara-Service <copybara-worker@google.com> Fri Feb 05 03:23:30 2021 -0800
tree 647ef6f32a138226a2e6fb50a90e74ee0597bded
parent 6ec78cbe909e5c106795a585cb1fe3a4aef4c189

[OpenMP] libomp: fix build by cl with vs2019

Replace VLA with dynamic allocation using alloca().
This fixes https://bugs.llvm.org/show_bug.cgi?id=48919.

Differential Revision: https://reviews.llvm.org/D95627

GitOrigin-RevId: 7f5ad0e07162e0c19e569986ee37a17c147c9a27

runtime/src/kmp_settings.cpp

diff --git a/runtime/src/kmp_settings.cpp b/runtime/src/kmp_settings.cpp
index 9baf705..3d9bdb3 100644
--- a/runtime/src/kmp_settings.cpp
+++ b/runtime/src/kmp_settings.cpp
@@ -3377,7 +3377,8 @@
         ntraits++;
     }
   }
-  omp_alloctrait_t traits[ntraits];
+  omp_alloctrait_t *traits =
+      (omp_alloctrait_t *)KMP_ALLOCA(ntraits * sizeof(omp_alloctrait_t));
 
 // Helper macros
 #define IS_POWER_OF_TWO(n) (((n) & ((n)-1)) == 0)