re PR c++/15871 (g++ does not honour -fkeep-inline-functions)

	PR c++/15871
	* semantics.c (expand_or_defer_fn): Honor -fkeep-inline-functions.

	PR c++/15871
	* doc/invoke.texi (-fkeep-inline-functions): Update documentation.

	PR c++/15871
	* g++.dg/opt/inline8.C: New test.

From-SVN: r86144

gcc/ChangeLog

+2004-08-17  Mark Mitchell  <mark@codesourcery.com>
+
+	PR c++/15871
+	* doc/invoke.texi (-fkeep-inline-functions): Update documentation.
+
 2004-08-17  Robert Bowdidge  <bowdidge@apple.com>
   
         * config/rs6000/x-darwin: Add -mdynamic-no-pic to gcc build flags.

gcc/cp/ChangeLog

 2004-08-17  Mark Mitchell  <mark@codesourcery.com>
 
+	PR c++/15871
+	* semantics.c (expand_or_defer_fn): Honor -fkeep-inline-functions.
+
 	PR c++/16965
 	* cp-tree.h (qualified_name_lookup_error): Add parameter.
 	* name-lookup.c (do_class_using_decl): Restrict set of entities

gcc/cp/semantics.c

@@ -2959,7 +2959,7 @@ expand_or_defer_fn (tree fn)
   /* We make a decision about linkage for these functions at the end
      of the compilation.  Until that point, we do not want the back
      end to output them -- but we do want it to see the bodies of
-     these fucntions so that it can inline them as appropriate.  */
+     these functions so that it can inline them as appropriate.  */
   if (DECL_DECLARED_INLINE_P (fn) || DECL_IMPLICIT_INSTANTIATION (fn))
     {
       if (!at_eof)
@@ -2970,6 +2970,12 @@ expand_or_defer_fn (tree fn)
 	}
       else
 	import_export_decl (fn);
+
+      /* If the user wants us to keep all inline functions, then mark
+	 this function as needed so that finish_file will make sure to
+	 output it later.  */
+      if (flag_keep_inline_functions && DECL_DECLARED_INLINE_P (fn))
+	mark_needed (fn);
     }
 
   /* There's no reason to do any of the work here if we're only doing

gcc/doc/invoke.texi

@@ -4055,10 +4055,11 @@ release to an another.
 
 @item -fkeep-inline-functions
 @opindex fkeep-inline-functions
-Even if all calls to a given function are integrated, and the function
-is declared @code{static}, nevertheless output a separate run-time
-callable version of the function.  This switch does not affect
-@code{extern inline} functions.
+In C, emit @code{static} functions that are declared @code{inline}
+into the object file, even if the function has been inlined into all
+of its callers.  This switch does not affect functions using the
+@code{extern inline} extension in GNU C.  In C++, emit any and all
+inline functions into the object file.
 
 @item -fkeep-static-consts
 @opindex fkeep-static-consts

gcc/testsuite/ChangeLog

 2004-08-17  Mark Mitchell  <mark@codesourcery.com>
 
+	PR c++/15871
+	* g++.dg/opt/inline8.C: New test.
+
 	PR c++/16965
 	* g++.dg/parse/error17.C: New test.
 	

gcc/testsuite/g++.dg/opt/inline8.C

+// PR c++/15871
+// { dg-options "-O2 -fkeep-inline-functions" }
+// { dg-final { scan-assembler "foo" } }
+
+inline void foo(void) { }