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| author | Joseph Myers <jsm@polyomino.org.uk> | 2004-10-10 02:10:53 +0100 |
|---|---|---|
| committer | Joseph Myers <jsm28@gcc.gnu.org> | 2004-10-10 02:10:53 +0100 |
| commit | c69c9b36a97fddbde2112a5f8d50a4aabe13a19a (patch) | |
| tree | b2cdffc2d527a8f552bb2e1ff80da8f2e950bad9 /gcc/builtins.c | |
| parent | 216a5f1b3fd8bc312748ff226ab5e3c9c2db273c (diff) | |
| download | gcc-c69c9b36a97fddbde2112a5f8d50a4aabe13a19a.zip gcc-c69c9b36a97fddbde2112a5f8d50a4aabe13a19a.tar.gz gcc-c69c9b36a97fddbde2112a5f8d50a4aabe13a19a.tar.bz2 | |
re PR c/17301 (ICE on wrong usage of __builtin_stdarg_start)
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.
From-SVN: r88835
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 255a47b..b097adf 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%>"); |