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| author | jsm28 <jsm28@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-10-10 01:10:53 +0000 |
|---|---|---|
| committer | jsm28 <jsm28@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-10-10 01:10:53 +0000 |
| commit | cb166087f9ab1ed51342f881caaf85aaea7345fb (patch) | |
| tree | b2cdffc2d527a8f552bb2e1ff80da8f2e950bad9 /gcc/builtins.c | |
| parent | 95ad7a71ac7e9934ccbdd32053a40d642d4541b2 (diff) | |
| download | gcc-cb166087f9ab1ed51342f881caaf85aaea7345fb.tar.gz | |
PR c/17301
* builtins.c (expand_builtin_va_start): Check for too few
arguments to va_start.
testsuite:
* gcc.dg/pr17301-1.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@88835 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/builtins.c')
| -rw-r--r-- | gcc/builtins.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/gcc/builtins.c b/gcc/builtins.c index 255a47ba19c..b097adf70b8 100644 --- a/gcc/builtins.c +++ b/gcc/builtins.c @@ -3861,6 +3861,11 @@ expand_builtin_va_start (tree arglist) chain = TREE_CHAIN (arglist); + if (!chain) + { + error ("too few arguments to function %<va_start%>"); + return const0_rtx; + } if (TREE_CHAIN (chain)) error ("too many arguments to function %<va_start%>"); |