gcc: Update to 4.8.1.

[people/amarx/ipfire-3.x.git] / gcc / patches / gcc47-c++-builtin-redecl.patch0

diff --git a/gcc/patches/gcc47-c++-builtin-redecl.patch0 b/gcc/patches/gcc47-c++-builtin-redecl.patch0
deleted file mode 100644 (file)
index fa30745..0000000
--- a/gcc/patches/gcc47-c++-builtin-redecl.patch0
+++ /dev/null
@@ -1,134 +0,0 @@
-2007-10-02  Jakub Jelinek  <jakub@redhat.com>
-
-       * decl.c (duplicate_decls): When redeclaring a builtin function,
-       keep the merged decl builtin whenever types match, even if new
-       decl defines a function.
-
-       * gcc.dg/builtins-85.c: New test.
-       * g++.dg/ext/builtin30.C: New test.
-
---- gcc/cp/decl.c.jj   2007-10-01 22:11:09.000000000 +0200
-+++ gcc/cp/decl.c      2007-10-02 11:39:46.000000000 +0200
-@@ -2137,39 +2137,37 @@ duplicate_decls (tree newdecl, tree oldd
-         DECL_ARGUMENTS (olddecl) = DECL_ARGUMENTS (newdecl);
-         DECL_RESULT (olddecl) = DECL_RESULT (newdecl);
-       }
-+      /* If redeclaring a builtin function, it stays built in.  */
-+      if (types_match && DECL_BUILT_IN (olddecl))
-+      {
-+        DECL_BUILT_IN_CLASS (newdecl) = DECL_BUILT_IN_CLASS (olddecl);
-+        DECL_FUNCTION_CODE (newdecl) = DECL_FUNCTION_CODE (olddecl);
-+        /* If we're keeping the built-in definition, keep the rtl,
-+           regardless of declaration matches.  */
-+        COPY_DECL_RTL (olddecl, newdecl);
-+        if (DECL_BUILT_IN_CLASS (newdecl) == BUILT_IN_NORMAL)
-+          {
-+            enum built_in_function fncode = DECL_FUNCTION_CODE (newdecl);
-+            switch (fncode)
-+              {
-+                /* If a compatible prototype of these builtin functions
-+                   is seen, assume the runtime implements it with the
-+                   expected semantics.  */
-+              case BUILT_IN_STPCPY:
-+                if (builtin_decl_explicit_p (fncode))
-+                  set_builtin_decl_implicit_p (fncode, true);
-+                break;
-+              default:
-+                break;
-+              }
-+          }
-+      }
-       if (new_defines_function)
-       /* If defining a function declared with other language
-          linkage, use the previously declared language linkage.  */
-       SET_DECL_LANGUAGE (newdecl, DECL_LANGUAGE (olddecl));
-       else if (types_match)
-       {
--        /* If redeclaring a builtin function, and not a definition,
--           it stays built in.  */
--        if (DECL_BUILT_IN (olddecl))
--          {
--            DECL_BUILT_IN_CLASS (newdecl) = DECL_BUILT_IN_CLASS (olddecl);
--            DECL_FUNCTION_CODE (newdecl) = DECL_FUNCTION_CODE (olddecl);
--            /* If we're keeping the built-in definition, keep the rtl,
--               regardless of declaration matches.  */
--            COPY_DECL_RTL (olddecl, newdecl);
--            if (DECL_BUILT_IN_CLASS (newdecl) == BUILT_IN_NORMAL)
--              {
--                enum built_in_function fncode = DECL_FUNCTION_CODE (newdecl);
--                switch (fncode)
--                  {
--                    /* If a compatible prototype of these builtin functions
--                       is seen, assume the runtime implements it with the
--                       expected semantics.  */
--                  case BUILT_IN_STPCPY:
--                    if (builtin_decl_explicit_p (fncode))
--                      set_builtin_decl_implicit_p (fncode, true);
--                    break;
--                  default:
--                    break;
--                  }
--              }
--          }
--
-         DECL_RESULT (newdecl) = DECL_RESULT (olddecl);
-         /* Don't clear out the arguments if we're just redeclaring a
-            function.  */
---- gcc/testsuite/gcc.dg/builtins-85.c.jj      2007-10-02 11:23:51.000000000 +0200
-+++ gcc/testsuite/gcc.dg/builtins-85.c 2007-10-02 11:24:12.000000000 +0200
-@@ -0,0 +1,25 @@
-+/* { dg-do compile } */
-+/* { dg-options "-O2" } */
-+
-+typedef __SIZE_TYPE__ size_t;
-+extern void __chk_fail (void);
-+extern int snprintf (char *, size_t, const char *, ...);
-+extern inline __attribute__((gnu_inline, always_inline)) int snprintf (char *a, size_t b, const char *fmt, ...)
-+{
-+  if (__builtin_object_size (a, 0) != -1UL && __builtin_object_size (a, 0) < b)
-+    __chk_fail ();
-+  return __builtin_snprintf (a, b, fmt, __builtin_va_arg_pack ());
-+}
-+extern int snprintf (char *, size_t, const char *, ...) __asm ("mysnprintf");
-+
-+char buf[10];
-+
-+int
-+main (void)
-+{
-+  snprintf (buf, 10, "%d%d\n", 10, 10);
-+  return 0;
-+}
-+
-+/* { dg-final { scan-assembler "mysnprintf" } } */
-+/* { dg-final { scan-assembler-not "__chk_fail" } } */
---- gcc/testsuite/g++.dg/ext/builtin30.C.jj    2007-10-02 11:19:45.000000000 +0200
-+++ gcc/testsuite/g++.dg/ext/builtin30.C       2007-10-02 11:23:26.000000000 +0200
-@@ -0,0 +1,27 @@
-+// { dg-do compile }
-+// { dg-options "-O2" }
-+
-+typedef __SIZE_TYPE__ size_t;
-+extern "C" {
-+extern void __chk_fail (void);
-+extern int snprintf (char *, size_t, const char *, ...);
-+extern inline __attribute__((gnu_inline, always_inline)) int snprintf (char *a, size_t b, const char *fmt, ...)
-+{
-+  if (__builtin_object_size (a, 0) != -1UL && __builtin_object_size (a, 0) < b)
-+    __chk_fail ();
-+  return __builtin_snprintf (a, b, fmt, __builtin_va_arg_pack ());
-+}
-+extern int snprintf (char *, size_t, const char *, ...) __asm ("mysnprintf");
-+}
-+
-+char buf[10];
-+
-+int
-+main (void)
-+{
-+  snprintf (buf, 10, "%d%d\n", 10, 10);
-+  return 0;
-+}
-+
-+// { dg-final { scan-assembler "mysnprintf" } }
-+// { dg-final { scan-assembler-not "__chk_fail" } }