From 785ca51445a9b037c55ad5739eeafce9b49166e2 Mon Sep 17 00:00:00 2001 From: Rafael Avila de Espindola Date: Mon, 4 Jan 2010 15:25:11 +0000 Subject: 20100104_0.c: New. 2010-01-04 Rafael Avila de Espindola * gcc.dg/lto/20100104_0.c: New. 2010-01-04 Rafael Avila de Espindola * lto-streamer-out.c (output_unreferenced_globals): Output the full tree of an unreferenced global var. From-SVN: r155619 --- gcc/ChangeLog | 5 +++++ gcc/lto-streamer-out.c | 7 ++++++- gcc/testsuite/ChangeLog | 4 ++++ gcc/testsuite/gcc.dg/lto/20100104_0.c | 8 ++++++++ 4 files changed, 23 insertions(+), 1 deletion(-) create mode 100644 gcc/testsuite/gcc.dg/lto/20100104_0.c (limited to 'gcc') diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 11adcd0..39c9b61 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2010-01-04 Rafael Avila de Espindola + + * lto-streamer-out.c (output_unreferenced_globals): Output the full + tree of an unreferenced global var. + 2010-01-04 H.J. Lu PR target/42542 diff --git a/gcc/lto-streamer-out.c b/gcc/lto-streamer-out.c index 6d13373..b27bbdd 100644 --- a/gcc/lto-streamer-out.c +++ b/gcc/lto-streamer-out.c @@ -1974,7 +1974,12 @@ output_unreferenced_globals (cgraph_node_set set) tree var = vnode->decl; if (TREE_CODE (var) == VAR_DECL && TREE_PUBLIC (var)) - lto_output_tree_ref (ob, var); + { + /* Outputting just the reference will not output the object itself + or references it might have.*/ + lto_output_tree (ob, var, true); + lto_output_tree_ref (ob, var); + } } output_zero (ob); diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 44f692c..30b80af 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,7 @@ +2010-01-04 Rafael Avila de Espindola + + * gcc.dg/lto/20100104_0.c: New. + 2010-01-04 H.J. Lu PR target/42542 diff --git a/gcc/testsuite/gcc.dg/lto/20100104_0.c b/gcc/testsuite/gcc.dg/lto/20100104_0.c new file mode 100644 index 0000000..c17e768 --- /dev/null +++ b/gcc/testsuite/gcc.dg/lto/20100104_0.c @@ -0,0 +1,8 @@ +/* { dg-lto-do assemble } */ +/* The problem with this testcase is that we were missing an undefined + reference to c_common_attribute_table. This can be tested with + GNUTARGET=plugin nm --plugin liblto_plugin.so 20100104_0.o + but we don't have support in the testsuite for doing it. */ + +extern int c_common_attribute_table[]; +void *foobar = c_common_attribute_table; -- cgit v1.1