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| author | Jason Merrill <jason@casey.cygnus.com> | 2000-03-03 09:19:42 +0000 |
|---|---|---|
| committer | Jason Merrill <jason@gcc.gnu.org> | 2000-03-03 04:19:42 -0500 |
| commit | 1e5a1107e4bcfcfdf5ee172009812689109a9012 (patch) | |
| tree | 1f5a0b1f3495717a7afe9e88d266b213ac8ddfe0 /gcc | |
| parent | 09496b7c183524bcae9606d118b7f7cfb0196878 (diff) | |
| download | gcc-1e5a1107e4bcfcfdf5ee172009812689109a9012.zip gcc-1e5a1107e4bcfcfdf5ee172009812689109a9012.tar.gz gcc-1e5a1107e4bcfcfdf5ee172009812689109a9012.tar.bz2 | |
* calls.c (special_function_p): operator new may not be malloc-like.
From-SVN: r32308
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 2 | ||||
| -rw-r--r-- | gcc/calls.c | 13 |
2 files changed, 7 insertions, 8 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index d229e83..dfd8035 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,7 @@ 2000-03-03 Jason Merrill <jason@casey.cygnus.com> + * calls.c (special_function_p): operator new may not be malloc-like. + * gcse.c (dump_hash_table): Really fix error in last change. 2000-03-02 Denis Chertykov <denisc@overta.ru> diff --git a/gcc/calls.c b/gcc/calls.c index 4ff988a..324cc7b 100644 --- a/gcc/calls.c +++ b/gcc/calls.c @@ -634,16 +634,13 @@ special_function_p (fndecl, returns_twice, is_longjmp, fork_or_exec, /* Do not add any more malloc-like functions to this list, instead mark them as malloc functions using the malloc attribute. Note, realloc is not suitable for attribute malloc since - it may return the same address across multiple calls. */ + it may return the same address across multiple calls. + C++ operator new is not suitable because it is not required + to return a unique pointer; indeed, the standard placement new + just returns its argument. */ else if (! strcmp (tname, "malloc") || ! strcmp (tname, "calloc") - || ! strcmp (tname, "strdup") - /* Note use of NAME rather than TNAME here. These functions - are only reserved when preceded with __. */ - || ! strcmp (name, "__vn") /* mangled __builtin_vec_new */ - || ! strcmp (name, "__nw") /* mangled __builtin_new */ - || ! strcmp (name, "__builtin_new") - || ! strcmp (name, "__builtin_vec_new")) + || ! strcmp (tname, "strdup")) *is_malloc = 1; } } |