[OCaml] Initialize local roots prior to raising.

On 4.02, the OCaml unwinder otherwise gets confused and segfaults.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221142 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/bindings/ocaml/llvm/llvm_ocaml.c b/bindings/ocaml/llvm/llvm_ocaml.c
index b43b3750734195d2d3755ff64bcbfeff66ea4e02..d8682880033b1880b8b4e1de6e7a8f4cea351716 100644 (file)
--- a/bindings/ocaml/llvm/llvm_ocaml.c
+++ b/bindings/ocaml/llvm/llvm_ocaml.c
@@ -1590,11 +1590,12 @@ CAMLprim value llvm_position_builder(value Pos, value B) {
 }
 
 /* llbuilder -> llbasicblock */
-CAMLprim LLVMBasicBlockRef llvm_insertion_block(value B) {
+CAMLprim value llvm_insertion_block(value B) {
+  CAMLparam0();
   LLVMBasicBlockRef InsertBlock = LLVMGetInsertBlock(Builder_val(B));
   if (!InsertBlock)
-    raise_not_found();
-  return InsertBlock;
+    caml_raise_not_found();
+  CAMLreturn((value) InsertBlock);
 }
 
 /* llvalue -> string -> llbuilder -> unit */