Hello.
Following patch fixes asan bootstrap, as mentioned in the PR.
Ready to be installed?
Thanks,
Martin
>From 6a3d1b85e124751fdb804ae86596d30ea98b54af Mon Sep 17 00:00:00 2001
From: marxin <mli...@suse.cz>
Date: Thu, 19 Jan 2017 10:25:55 +0100
Subject: [PATCH] Fix false positive for -Walloc-size-larger-than (PR
bootstrap/79132).
gcc/ChangeLog:
2017-01-19 Martin Liska <mli...@suse.cz>
PR bootstrap/79132
* tree-ssa-reassoc.c (rewrite_expr_tree_parallel): Insert assert
that would prevent us to call alloca with -1 as argument.
---
gcc/tree-ssa-reassoc.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/gcc/tree-ssa-reassoc.c b/gcc/tree-ssa-reassoc.c
index 503edd3870d..4a796f48864 100644
--- a/gcc/tree-ssa-reassoc.c
+++ b/gcc/tree-ssa-reassoc.c
@@ -4407,6 +4407,7 @@ rewrite_expr_tree_parallel (gassign *stmt, int width,
{
enum tree_code opcode = gimple_assign_rhs_code (stmt);
int op_num = ops.length ();
+ gcc_assert (op_num > 0);
int stmt_num = op_num - 1;
gimple **stmts = XALLOCAVEC (gimple *, stmt_num);
int op_index = op_num - 1;
--
2.11.0
