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| author | Joseph Myers <jsm28@cam.ac.uk> | 2001-06-22 20:19:03 +0100 |
|---|---|---|
| committer | Joseph Myers <jsm28@gcc.gnu.org> | 2001-06-22 20:19:03 +0100 |
| commit | f9e1917eb31a9c2975eabe980cbedfb44571ad6f (patch) | |
| tree | 37a3f447efcf42662b23e1928c635f11d08eafcb /gcc/doc/c-tree.texi | |
| parent | 9e2f7ec7e5f627299087530e4a499cd609ee453c (diff) | |
| download | gcc-f9e1917eb31a9c2975eabe980cbedfb44571ad6f.zip gcc-f9e1917eb31a9c2975eabe980cbedfb44571ad6f.tar.gz gcc-f9e1917eb31a9c2975eabe980cbedfb44571ad6f.tar.bz2 | |
re PR c/3259 (({ }) and -Wall)
* c-common.c (verify_tree): Check for x being NULL.
* doc/c-tree.texi: Document COMPOUND_BODY of an empty
COMPOUND_STMT.
Fixes PR c/3259.
testsuite:
* gcc.dg/20010622-1.c: New test.
From-SVN: r43508
Diffstat (limited to 'gcc/doc/c-tree.texi')
| -rw-r--r-- | gcc/doc/c-tree.texi | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/gcc/doc/c-tree.texi b/gcc/doc/c-tree.texi index a67b0ca..370c90f 100644 --- a/gcc/doc/c-tree.texi +++ b/gcc/doc/c-tree.texi @@ -1473,6 +1473,8 @@ should be run in the reverse order of the order in which the associated Used to represent a brace-enclosed block. The first substatement is given by @code{COMPOUND_BODY}. Subsequent substatements are found by following the @code{TREE_CHAIN} link from one substatement to the next. +The @code{COMPOUND_BODY} will be @code{NULL_TREE} if there are no +substatements. @item CONTINUE_STMT |