aboutsummaryrefslogtreecommitdiff
path: root/gcc/calls.c
diff options
context:
space:
mode:
authorTom de Vries <tom@codesourcery.com>2013-01-11 23:39:18 +0000
committerTom de Vries <vries@gcc.gnu.org>2013-01-11 23:39:18 +0000
commitb3681f139f37e59a699a21aca1b51bc70486ffda (patch)
tree1fdf08f2f933824ff175899cf21422b4eb74a5e6 /gcc/calls.c
parent93b2c9a52e89c7f8a6105654f2cf10b1fe83b842 (diff)
downloadgcc-b3681f139f37e59a699a21aca1b51bc70486ffda.zip
gcc-b3681f139f37e59a699a21aca1b51bc70486ffda.tar.gz
gcc-b3681f139f37e59a699a21aca1b51bc70486ffda.tar.bz2
re PR tree-optimization/55890 (calling a builtin func through a cast triggers an ICE)
2013-01-12 Tom de Vries <tom@codesourcery.com> PR middle-end/55890 * calls.c (expand_call): Check if arg_nr is valid. From-SVN: r195119
Diffstat (limited to 'gcc/calls.c')
-rw-r--r--gcc/calls.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/gcc/calls.c b/gcc/calls.c
index 94628af..dd034b4 100644
--- a/gcc/calls.c
+++ b/gcc/calls.c
@@ -3134,7 +3134,9 @@ expand_call (tree exp, rtx target, int ignore)
int arg_nr = return_flags & ERF_RETURN_ARG_MASK;
if (PUSH_ARGS_REVERSED)
arg_nr = num_actuals - arg_nr - 1;
- if (args[arg_nr].reg
+ if (arg_nr >= 0
+ && arg_nr < num_actuals
+ && args[arg_nr].reg
&& valreg
&& REG_P (valreg)
&& GET_MODE (args[arg_nr].reg) == GET_MODE (valreg))