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author | vries <vries@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-01-11 23:39:18 +0000 |
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committer | vries <vries@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-01-11 23:39:18 +0000 |
commit | 3d38d682027f173c91a1d0d9bba915379fe55204 (patch) | |
tree | 1fdf08f2f933824ff175899cf21422b4eb74a5e6 /gcc | |
parent | d84e7fa10b30d19b3b7574d1b1e2cc3dbed365ad (diff) | |
download | gcc-3d38d682027f173c91a1d0d9bba915379fe55204.tar.gz |
2013-01-12 Tom de Vries <tom@codesourcery.com>
PR middle-end/55890
* calls.c (expand_call): Check if arg_nr is valid.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@195119 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc')
-rw-r--r-- | gcc/ChangeLog | 5 | ||||
-rw-r--r-- | gcc/calls.c | 4 |
2 files changed, 8 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index e5e2b8e8a4c..295e266499d 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2013-01-12 Tom de Vries <tom@codesourcery.com> + + PR middle-end/55890 + * calls.c (expand_call): Check if arg_nr is valid. + 2013-01-11 Michael Meissner <meissner@linux.vnet.ibm.com> * doc/extend.texi (X86 Built-in Functions): Add whitespace in diff --git a/gcc/calls.c b/gcc/calls.c index 94628afd1e8..dd034b40099 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)) |