The gcc-specific part now. Bootstrap+testsuite on x86_64-unknown-linux-gnu
together with the libiberty patch (well,
libgomp.graphite/force-parallel-4.c failed, but that randomly happens).
2013-10-12 Marc Glisse <marc.gli...@inria.fr>
PR tree-optimization/58689
* system.h (concat, reconcat, choose_temp_base, xmalloc, xrealloc,
xcalloc, xstrdup, xstrndup, xmemdup, pex_init): Mark with attribute
returns_nonnull.
--
Marc GlisseIndex: gcc/system.h
===================================================================
--- gcc/system.h (revision 203463)
+++ gcc/system.h (working copy)
@@ -645,20 +645,40 @@ extern int vsnprintf (char *, size_t, co
#endif
/* Do not introduce a gmp.h dependency on the build system. */
#ifndef GENERATOR_FILE
#include <gmp.h>
#endif
/* Get libiberty declarations. */
#include "libiberty.h"
+/* Add attributes that libiberty doesn't want to add globally. */
+#if GCC_VERSION >= 4009
+# ifdef __cplusplus
+extern "C" {
+# endif
+__typeof (concat) concat ATTRIBUTE_RETURNS_NONNULL;
+__typeof (reconcat) reconcat ATTRIBUTE_RETURNS_NONNULL;
+__typeof (choose_temp_base) choose_temp_base ATTRIBUTE_RETURNS_NONNULL;
+__typeof (xmalloc) xmalloc ATTRIBUTE_RETURNS_NONNULL;
+__typeof (xrealloc) xrealloc ATTRIBUTE_RETURNS_NONNULL;
+__typeof (xcalloc) xcalloc ATTRIBUTE_RETURNS_NONNULL;
+__typeof (xstrdup) xstrdup ATTRIBUTE_RETURNS_NONNULL;
+__typeof (xstrndup) xstrndup ATTRIBUTE_RETURNS_NONNULL;
+__typeof (xmemdup) xmemdup ATTRIBUTE_RETURNS_NONNULL;
+__typeof (pex_init) pex_init ATTRIBUTE_RETURNS_NONNULL;
+# ifdef __cplusplus
+}
+# endif
+#endif
+
#undef FFS /* Some systems predefine this symbol; don't let it interfere. */
#undef FLOAT /* Likewise. */
#undef ABS /* Likewise. */
#undef PC /* Likewise. */
/* Provide a default for the HOST_BIT_BUCKET.
This suffices for POSIX-like hosts. */
#ifndef HOST_BIT_BUCKET
#define HOST_BIT_BUCKET "/dev/null"
