Merge remote-tracking branch 'origin/releases/gcc-9' into devel/omp/gcc-9

Update all GCC 9 commits between tag 'releases/gcc-9.2.0' (r9-7613) and
today's GCC 9 branch (r9-8340-g7beafc829c5b122298093ba517023015611aeca8).

diff --cc gcc/Makefile.in
Simple merge

diff --cc gcc/c-family/c-attribs.c
Simple merge

diff --cc gcc/c-family/c-common.h
index c99f7b4228665cbeecbb3090222b109045964175,68376426721ba84559b1646b2ef3e1c660de2ddb..a6c13d0c14cfe53b7d4dd20d9d469c51e2c8e6e2
--- 1/gcc/c-family/c-common.h
--- 2/gcc/c-family/c-common.h
+++ b/gcc/c-family/c-common.h
@@@ -1184,8 -1185,8 +1185,9 @@@ extern void c_omp_split_clauses (locati
                                 tree, tree *);
  extern tree c_omp_declare_simd_clauses_to_numbers (tree, tree);
  extern void c_omp_declare_simd_clauses_to_decls (tree, tree);
+ extern bool c_omp_predefined_variable (tree);
  extern enum omp_clause_default_kind c_omp_predetermined_sharing (tree);
 +extern const char *c_omp_map_clause_name (tree, bool);
  
  /* Return next tree in the chain for chain_next walking of tree nodes.  */
  static inline tree

diff --cc gcc/c-family/c-omp.c
index 50c5296e015ebb48cf210b417126bba72b9fa8f1,ebe0b4e81559aa13c4518ba0cf8273dd9b7f325a..d3126e33602baeede466e496b316771e8fac0641
--- 1/gcc/c-family/c-omp.c
--- 2/gcc/c-family/c-omp.c
+++ b/gcc/c-family/c-omp.c
@@@ -2036,38 -2055,8 +2055,41 @@@ c_omp_predetermined_sharing (tree decl
        && INTEGRAL_TYPE_P (TREE_TYPE (decl)))
      return OMP_CLAUSE_DEFAULT_SHARED;
  
+   if (c_omp_predefined_variable (decl))
+     return OMP_CLAUSE_DEFAULT_SHARED;
+ 
    return OMP_CLAUSE_DEFAULT_UNSPECIFIED;
  }
 +
 +/* For OpenACC, the OMP_CLAUSE_MAP_KIND of an OMP_CLAUSE_MAP is used internally
 +   to distinguish clauses as seen by the user.  Return the "friendly" clause
 +   name for error messages etc., where possible.  See also
 +   c/c-parser.c:c_parser_oacc_data_clause and
 +   cp/parser.c:cp_parser_oacc_data_clause.  */
 +
 +const char *
 +c_omp_map_clause_name (tree clause, bool oacc)
 +{
 +  if (oacc && OMP_CLAUSE_CODE (clause) == OMP_CLAUSE_MAP)
 +    switch (OMP_CLAUSE_MAP_KIND (clause))
 +    {
 +    case GOMP_MAP_FORCE_ALLOC:
 +    case GOMP_MAP_ALLOC: return "create";
 +    case GOMP_MAP_FORCE_TO:
 +    case GOMP_MAP_TO: return "copyin";
 +    case GOMP_MAP_FORCE_FROM:
 +    case GOMP_MAP_FROM: return "copyout";
 +    case GOMP_MAP_FORCE_TOFROM:
 +    case GOMP_MAP_TOFROM: return "copy";
 +    case GOMP_MAP_RELEASE: return "delete";
 +    case GOMP_MAP_FORCE_PRESENT: return "present";
 +    case GOMP_MAP_ATTACH: return "attach";
 +    case GOMP_MAP_FORCE_DETACH:
 +    case GOMP_MAP_DETACH: return "detach";
 +    case GOMP_MAP_DEVICE_RESIDENT: return "device_resident";
 +    case GOMP_MAP_LINK: return "link";
 +    case GOMP_MAP_FORCE_DEVICEPTR: return "deviceptr";
 +    default: break;
 +    }
 +  return omp_clause_code_name[OMP_CLAUSE_CODE (clause)];
 +}

diff --cc gcc/c/c-parser.c
Simple merge

diff --cc gcc/c/c-typeck.c
Simple merge

diff --cc gcc/config.gcc
Simple merge

diff --cc gcc/config/i386/i386.c
Simple merge

diff --cc gcc/cp/constexpr.c
Simple merge

diff --cc gcc/cp/cp-tree.h
Simple merge

diff --cc gcc/cp/decl.c
Simple merge

diff --cc gcc/cp/decl2.c
Simple merge

diff --cc gcc/cp/parser.c
Simple merge

diff --cc gcc/cp/pt.c
Simple merge

diff --cc gcc/cp/semantics.c
Simple merge

diff --cc gcc/doc/invoke.texi
Simple merge

diff --cc gcc/fortran/gfortran.h
Simple merge

diff --cc gcc/fortran/gfortran.texi
Simple merge

diff --cc gcc/fortran/intrinsic.texi
Simple merge

diff --cc gcc/fortran/match.c
Simple merge

diff --cc gcc/fortran/match.h
Simple merge

diff --cc gcc/fortran/openmp.c
Simple merge

diff --cc gcc/fortran/parse.c
Simple merge

diff --cc gcc/fortran/resolve.c
Simple merge

diff --cc gcc/fortran/trans-array.c
Simple merge

diff --cc gcc/fortran/trans-decl.c
Simple merge

diff --cc gcc/fortran/trans-expr.c
Simple merge

diff --cc gcc/fortran/trans-openmp.c
Simple merge

diff --cc gcc/fortran/trans-stmt.c
Simple merge

diff --cc gcc/fortran/trans.c
Simple merge

diff --cc gcc/fortran/trans.h
Simple merge

diff --cc gcc/gimplify.c
Simple merge

diff --cc gcc/internal-fn.c
Simple merge

diff --cc gcc/ira.c
Simple merge

diff --cc gcc/lra-spills.c
Simple merge

diff --cc gcc/omp-low.c
Simple merge

diff --cc gcc/passes.def
Simple merge

diff --cc gcc/tree-core.h
Simple merge

diff --cc gcc/tree-pass.h
Simple merge

diff --cc gcc/tree-ssa-structalias.c
Simple merge

diff --cc gcc/tree-vrp.c
Simple merge

diff --cc gcc/tree.c
Simple merge

diff --cc gcc/tree.h
Simple merge

diff --cc libgomp/affinity-fmt.c
index cd5783f4658e764645427209320eb3f401623ff1,61417c9e5ae345985c727ceea5cdcb196ebe41d8..09a66f02925ccd2a36286412cb72bb943ed49924
--- 1/libgomp/affinity-fmt.c
--- 2/libgomp/affinity-fmt.c
+++ b/libgomp/affinity-fmt.c
@@@ -37,10 -37,10 +37,10 @@@
  #include <sys/utsname.h>
  #endif
  
- void
+ bool
 -gomp_print_string (const char *str, size_t len)
 +gomp_write_string (const char *str, size_t len)
  {
-   fwrite (str, 1, len, stderr);
+   return fwrite (str, 1, len, stderr) != len;
  }
  
  void

diff --cc libgomp/libgomp.h
index ab216a31206727c2813e734d8303bdd4151f8006,c98c1452bd4d9f33714f9abd8ab6ccb2a4a6eeca..a59bc3330f4bcf26db1dd179c11beb01a54790d2
--- 1/libgomp/libgomp.h
--- 2/libgomp/libgomp.h
+++ b/libgomp/libgomp.h
@@@ -769,7 -751,7 +769,7 @@@ extern void gomp_display_affinity_plac
  
  /* affinity-fmt.c */
  
- extern void gomp_write_string (const char *str, size_t len);
 -extern bool gomp_print_string (const char *str, size_t len);
++extern bool gomp_write_string (const char *str, size_t len);
  extern void gomp_set_affinity_format (const char *, size_t);
  extern void gomp_display_string (char *, size_t, size_t *, const char *,
                                 size_t);

diff --cc libgomp/oacc-init.c
Simple merge

diff --cc libgomp/target.c
index 683a42b1164fc8e9f27ccb117b9735bac6602f64,97fc1ee2ddc4d5ef0616c207059b7675f4d3e3f3..9a5b259223ea517c143eb0d825d537ff8bb07b0d
--- 1/libgomp/target.c
--- 2/libgomp/target.c
+++ b/libgomp/target.c
@@@ -2170,8 -1214,8 +2170,9 @@@ gomp_load_image_to_device (struct gomp_
        k->tgt = tgt;
        k->tgt_offset = target_table[i].start;
        k->refcount = REFCOUNT_INFINITY;
 -      k->dynamic_refcount = 0;
 -      k->link_key = NULL;
 +      k->virtual_refcount = 0;
 +      k->u.attach_count = NULL;
++      k->u.link_key = NULL;
        array->left = NULL;
        array->right = NULL;
        splay_tree_insert (&devicep->mem_map, array);
@@@ -2203,8 -1247,8 +2204,9 @@@
        k->tgt = tgt;
        k->tgt_offset = target_var->start;
        k->refcount = target_size & link_bit ? REFCOUNT_LINK : REFCOUNT_INFINITY;
 -      k->dynamic_refcount = 0;
 -      k->link_key = NULL;
 +      k->virtual_refcount = 0;
 +      k->u.attach_count = NULL;
++      k->u.link_key = NULL;
        array->left = NULL;
        array->right = NULL;
        splay_tree_insert (&devicep->mem_map, array);

diff --cc libgomp/testsuite/libgomp.oacc-fortran/routine-7.f90
Simple merge

diff --cc libstdc++-v3/acinclude.m4
Simple merge

diff --cc libstdc++-v3/configure
Simple merge