diff options
Diffstat (limited to 'gcc/langhooks.c')
| -rw-r--r-- | gcc/langhooks.c | 8 |
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) |