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authorrguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>2008-07-13 17:28:26 +0000
committerrguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>2008-07-13 17:28:26 +0000
commit5a6ca2d1ad2c2ae963730c6417bccc3852167ed4 (patch)
tree47829a64c961bcc1f71eab99a309a353024daf47 /gcc/langhooks.c
parent28485874fd07fd3226d22b7006f00545006c1597 (diff)
downloadgcc-5a6ca2d1ad2c2ae963730c6417bccc3852167ed4.tar.gz
2008-07-13 Richard Guenther <rguenther@suse.de>
PR middle-end/36811 * langhooks.c (lhd_print_error_function): Deal with recursive BLOCK trees. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@137754 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/langhooks.c')
-rw-r--r--gcc/langhooks.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/gcc/langhooks.c b/gcc/langhooks.c
index 3943f02b794..e2460473f54 100644
--- a/gcc/langhooks.c
+++ b/gcc/langhooks.c
@@ -394,7 +394,9 @@ lhd_print_error_function (diagnostic_context *context, const char *file,
if (abstract_origin)
{
ao = BLOCK_ABSTRACT_ORIGIN (abstract_origin);
- while (TREE_CODE (ao) == BLOCK && BLOCK_ABSTRACT_ORIGIN (ao))
+ while (TREE_CODE (ao) == BLOCK
+ && BLOCK_ABSTRACT_ORIGIN (ao)
+ && BLOCK_ABSTRACT_ORIGIN (ao) != ao)
ao = BLOCK_ABSTRACT_ORIGIN (ao);
gcc_assert (TREE_CODE (ao) == FUNCTION_DECL);
fndecl = ao;
@@ -424,7 +426,9 @@ lhd_print_error_function (diagnostic_context *context, const char *file,
{
ao = BLOCK_ABSTRACT_ORIGIN (block);
- while (TREE_CODE (ao) == BLOCK && BLOCK_ABSTRACT_ORIGIN (ao))
+ while (TREE_CODE (ao) == BLOCK
+ && BLOCK_ABSTRACT_ORIGIN (ao)
+ && BLOCK_ABSTRACT_ORIGIN (ao) != ao)
ao = BLOCK_ABSTRACT_ORIGIN (ao);
if (TREE_CODE (ao) == FUNCTION_DECL)