PR jit/63854: Fix leaking vec in jit

gcc/jit/ChangeLog:
	PR jit/63854
	* jit-playback.c (gcc::jit::playback::compound_type::set_fields):
	Convert param from const vec<playback::field *> & to
	const auto_vec<playback::field *> *.
	(gcc::jit::playback::context::new_function_type): Convert param
	"param_types" from vec<type *> * to const auto_vec<type *> *.
	(gcc::jit::playback::context::new_function): Convert param
	"params" from vec<param *> * to const auto_vec<param *> *.
	(gcc::jit::playback::context::build_call): Convert param "args"
	from vec<rvalue *> to const auto_vec<rvalue *> *.
	(gcc::jit::playback::context::new_call): Likewise.
	(gcc::jit::playback::context::new_call_through_ptr): Likewise.
	(wrapper_finalizer): New function.
	(gcc::jit::playback::wrapper::operator new): Call the finalizer
	variant of ggc_internal_cleared_alloc, supplying
	wrapper_finalizer.
	(gcc::jit::playback::function::finalizer): New.
	(gcc::jit::playback::block::finalizer): New.
	(gcc::jit::playback::source_file::finalizer): New.
	(gcc::jit::playback::source_line::finalizer): New.

	* jit-playback.h
	(gcc::jit::playback::context::new_function_type): Convert param
	"param_types" from vec<type *> * to const auto_vec<type *> *.
	(gcc::jit::playback::context::new_function): Convert param
	"params" from vec<param *> * to const auto_vec<param *> *.
	(gcc::jit::playback::context::new_call): Convert param
	"args" from vec<rvalue *> to const auto_vec<rvalue *> *.
	(gcc::jit::playback::context::new_call_through_ptr): Likewise.
	(gcc::jit::playback::context::build_call): Likewise.
	(gcc::jit::playback::context): Convert fields "m_functions",
	"m_source_files", "m_cached_locations" from vec to auto_vec.
	(gcc::jit::playback::wrapper::finalizer): New virtual function.
	(gcc::jit::playback::compound_type::set_fields): Convert param fro
	const vec<playback::field *> & to
	const auto_vec<playback::field *> *.
	(gcc::jit::playback::function::finalizer): New.
	(gcc::jit::playback::block::finalizer): New.
	(gcc::jit::playback::source_file::finalizer): New.
	(gcc::jit::playback::source_line::finalizer): New.

	* jit-recording.c
	(gcc::jit::recording::function_type::replay_into): Convert local
	from a vec into an auto_vec.
	(gcc::jit::recording::fields::replay_into): Likewise.
	(gcc::jit::recording::function::replay_into): Likewise.
	(gcc::jit::recording::call::replay_into): Likewise.
	(gcc::jit::recording::call_through_ptr::replay_into): Likewise.

	* jit-recording.h (gcc::jit::recording::context): Convert fields
	"m_mementos", "m_compound_types", "m_functions" from vec<> to
	auto_vec <>.
	(gcc::jit::recording::function_type::get_param_types): Convert
	return type from vec<type *> to const vec<type *> &.
	(gcc::jit::recording::function_type): Convert field
	"m_param_types" from a vec<> to an auto_vec<>.
	(gcc::jit::recording::fields): Likewise for field "m_fields".
	(gcc::jit::recording::function::get_params): Convert return type
	from vec <param *> to const vec<param *> &.
	(gcc::jit::recording::function): Convert fields "m_params",
	"m_locals", "m_blocks" from vec<> to auto_vec<>.
	(gcc::jit::recording::block): Likewise for field "m_statements".
	vec<> to auto_vec<>.
	(gcc::jit::recording::call): Likewise for field "m_args".
	(gcc::jit::recording::call_through_ptr): Likewise.

From-SVN: r217808

1 files changed, 18 insertions, 9 deletions

diff --git a/gcc/jit/jit-playback.h b/gcc/jit/jit-playback.h
index dcb19bf..30e9229 100644
--- a/gcc/jit/jit-playback.h
+++ b/gcc/jit/jit-playback.h
@@ -71,7 +71,7 @@ public:
 
   type *
   new_function_type (type *return_type,
-		     vec<type *> *param_types,
+		     const auto_vec<type *> *param_types,
 		     int is_variadic);
 
   param *
@@ -84,7 +84,7 @@ public:
 		enum gcc_jit_function_kind kind,
 		type *return_type,
 		const char *name,
-		vec<param *> *params,
+		const auto_vec<param *> *params,
 		int is_variadic,
 		enum built_in_function builtin_id);
 
@@ -128,12 +128,12 @@ public:
   rvalue *
   new_call (location *loc,
 	    function *func,
-	    vec<rvalue *> args);
+	    const auto_vec<rvalue *> *args);
 
   rvalue *
   new_call_through_ptr (location *loc,
 			rvalue *fn_ptr,
-			vec<rvalue *> args);
+			const auto_vec<rvalue *> *args);
 
   rvalue *
   new_cast (location *loc,
@@ -214,7 +214,7 @@ private:
   rvalue *
   build_call (location *loc,
 	      tree fn_ptr,
-	      vec<rvalue *> args);
+	      const auto_vec<rvalue *> *args);
 
   tree
   build_cast (location *loc,
@@ -240,14 +240,14 @@ private:
   char *m_path_s_file;
   char *m_path_so_file;
 
-  vec<function *> m_functions;
+  auto_vec<function *> m_functions;
   tree m_char_array_type_node;
   tree m_const_char_ptr;
 
   /* Source location handling.  */
-  vec<source_file *> m_source_files;
+  auto_vec<source_file *> m_source_files;
 
-  vec<std::pair<tree, location *> > m_cached_locations;
+  auto_vec<std::pair<tree, location *> > m_cached_locations;
 };
 
 /* A temporary wrapper object.
@@ -263,6 +263,10 @@ public:
   /* Allocate in the GC heap.  */
   void *operator new (size_t sz);
 
+  /* Some wrapper subclasses contain vec<> and so need to
+     release them when they are GC-ed.  */
+  virtual void finalizer () { }
+
 };
 
 class type : public wrapper
@@ -297,7 +301,7 @@ public:
     : type (inner)
   {}
 
-  void set_fields (const vec<field *> &fields);
+  void set_fields (const auto_vec<field *> *fields);
 };
 
 class field : public wrapper
@@ -319,6 +323,7 @@ public:
   function(context *ctxt, tree fndecl, enum gcc_jit_function_kind kind);
 
   void gt_ggc_mx ();
+  void finalizer ();
 
   tree get_return_type_as_tree () const;
 
@@ -366,6 +371,8 @@ public:
   block (function *func,
 	 const char *name);
 
+  void finalizer ();
+
   tree as_label_decl () const { return m_label_decl; }
 
   void
@@ -500,6 +507,7 @@ class source_file : public wrapper
 {
 public:
   source_file (tree filename);
+  void finalizer ();
 
   source_line *
   get_source_line (int line_num);
@@ -520,6 +528,7 @@ class source_line : public wrapper
 {
 public:
   source_line (source_file *file, int line_num);
+  void finalizer ();
 
   location *
   get_location (recording::location *rloc, int column_num);