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author | Andrew Haley <aph@cygnus.co.uk> | 2000-10-24 20:06:13 +0000 |
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committer | Andrew Haley <aph@gcc.gnu.org> | 2000-10-24 20:06:13 +0000 |
commit | 5129d2ceee602f1539c4024d081485ea0a7c5f7c (patch) | |
tree | 8e7b457d212bf02a23d637d3f5aff2c2177fb332 /gcc | |
parent | dcc41852e10b89db9b47fdf02caf79b8ddb3b0bd (diff) | |
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expr.c (do_store_flag): Don't crash if either side of a comparison is error_mark_node.
2000-10-24 Andrew Haley <aph@cygnus.co.uk>
* expr.c (do_store_flag): Don't crash if either side of a
comparison is error_mark_node.
From-SVN: r37036
Diffstat (limited to 'gcc')
-rw-r--r-- | gcc/ChangeLog | 5 | ||||
-rw-r--r-- | gcc/expr.c | 5 |
2 files changed, 10 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 67586d8..729e889 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2000-10-24 Andrew Haley <aph@cygnus.co.uk> + + * expr.c (do_store_flag): Don't crash if either side of a + comparison is error_mark_node. + 2000-10-24 Jakub Jelinek <jakub@redhat.com> * sibcall.c (purge_mem_unchanging_flag): New function. @@ -10133,6 +10133,11 @@ do_store_flag (exp, target, mode, only_cheap) arg0 = TREE_OPERAND (exp, 0); arg1 = TREE_OPERAND (exp, 1); + + /* Don't crash if the comparison was erroneous. */ + if (arg0 == error_mark_node || arg1 == error_mark_node) + return const0_rtx; + type = TREE_TYPE (arg0); operand_mode = TYPE_MODE (type); unsignedp = TREE_UNSIGNED (type); |