aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorFrancois-Xavier Coudert <fxcoudert@gcc.gnu.org>2007-10-03 21:27:39 +0000
committerFrançois-Xavier Coudert <fxcoudert@gcc.gnu.org>2007-10-03 21:27:39 +0000
commitf7a13f717a28db58a62759f81a74c4c9865491ab (patch)
tree900c7186f4476f1eadb33a7b9c035c04d002cd40
parentfea10e36471d91c13fde543bfc565e2625cac8ee (diff)
downloadgcc-f7a13f717a28db58a62759f81a74c4c9865491ab.zip
gcc-f7a13f717a28db58a62759f81a74c4c9865491ab.tar.gz
gcc-f7a13f717a28db58a62759f81a74c4c9865491ab.tar.bz2
re PR fortran/26682 (gfortran fails with -fwhole-program optimization)
PR fortran/26682 * trans-decl.c (build_function_decl): Set "externally_visible" attribute on the MAIN program decl. From-SVN: r128993
-rw-r--r--gcc/fortran/ChangeLog6
-rw-r--r--gcc/fortran/trans-decl.c6
2 files changed, 12 insertions, 0 deletions
diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog
index 226c50a..cb9c9ca 100644
--- a/gcc/fortran/ChangeLog
+++ b/gcc/fortran/ChangeLog
@@ -1,3 +1,9 @@
+2007-10-03 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
+
+ PR fortran/26682
+ * trans-decl.c (build_function_decl): Set "externally_visible"
+ attribute on the MAIN program decl.
+
2007-10-03 Tobias Schlüter <tobi@gcc.gnu.org>
PR fortran/33198
diff --git a/gcc/fortran/trans-decl.c b/gcc/fortran/trans-decl.c
index f04a4d1..5b6b88b 100644
--- a/gcc/fortran/trans-decl.c
+++ b/gcc/fortran/trans-decl.c
@@ -1321,6 +1321,12 @@ build_function_decl (gfc_symbol * sym)
TREE_SIDE_EFFECTS (fndecl) = 0;
}
+ /* For -fwhole-program to work well, MAIN__ needs to have the
+ "externally_visible" attribute. */
+ if (attr.is_main_program)
+ DECL_ATTRIBUTES (fndecl)
+ = tree_cons (get_identifier("externally_visible"), NULL_TREE, NULL_TREE);
+
/* Layout the function declaration and put it in the binding level
of the current function. */
pushdecl (fndecl);