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authorVolker Reichelt <reichelt@igpm.rwth-aachen.de>2006-07-18 10:08:22 +0000
committerVolker Reichelt <reichelt@gcc.gnu.org>2006-07-18 10:08:22 +0000
commit12050e44231e61cf3cf595deb7b828e8fa197cd7 (patch)
tree3d17b916a205737a2d3169bbb5685b59b41c28ad /gcc/c-pragma.c
parente1cf56b1d989c6e50b4cd89b2956532588bd9881 (diff)
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re PR c/28286 (ICE with invalid value in #pragma pack)
PR c/28286 * c-pragma.c (handle_pragma_pack): Handle invalid constants. * gcc.dg/pragma-pack-4.c: New test. From-SVN: r115548
Diffstat (limited to 'gcc/c-pragma.c')
-rw-r--r--gcc/c-pragma.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/c-pragma.c b/gcc/c-pragma.c
index e71ab07..b2712ac 100644
--- a/gcc/c-pragma.c
+++ b/gcc/c-pragma.c
@@ -160,6 +160,8 @@ handle_pragma_pack (cpp_reader * ARG_UNUSED (dummy))
}
else if (token == CPP_NUMBER)
{
+ if (TREE_CODE (x) != INTEGER_CST)
+ GCC_BAD ("invalid constant in %<#pragma pack%> - ignored");
align = TREE_INT_CST_LOW (x);
action = set;
if (pragma_lex (&x) != CPP_CLOSE_PAREN)
@@ -190,6 +192,8 @@ handle_pragma_pack (cpp_reader * ARG_UNUSED (dummy))
}
else if (token == CPP_NUMBER && action == push && align == -1)
{
+ if (TREE_CODE (x) != INTEGER_CST)
+ GCC_BAD ("invalid constant in %<#pragma pack%> - ignored");
align = TREE_INT_CST_LOW (x);
if (align == -1)
action = set;