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| author | Tom Tromey <tom@tromey.com> | 2023-01-16 17:04:39 -0700 |
|---|---|---|
| committer | Tom Tromey <tom@tromey.com> | 2023-02-19 12:51:05 -0700 |
| commit | f52688890edd7c587ec11cf1d565f235e41a6c43 (patch) | |
| tree | c413367521a7229ef06bf156bd688aa0cc5acb5c /gdb | |
| parent | 4aabc4166430fed52e9a2e4042147e3480f9178a (diff) | |
| download | gdb-f52688890edd7c587ec11cf1d565f235e41a6c43.zip gdb-f52688890edd7c587ec11cf1d565f235e41a6c43.tar.gz gdb-f52688890edd7c587ec11cf1d565f235e41a6c43.tar.bz2 | |
Avoid extra allocations in block
block_set_scope and block_set_using unconditionally allocate the block
namespace object. However, this isn't truly needed, so arrange to
only allocate when it is.
Diffstat (limited to 'gdb')
| -rw-r--r-- | gdb/block.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/gdb/block.c b/gdb/block.c index 751f67d..f24a2b5 100644 --- a/gdb/block.c +++ b/gdb/block.c @@ -320,6 +320,12 @@ void block_set_scope (struct block *block, const char *scope, struct obstack *obstack) { + if (scope == nullptr || scope[0] == '\0') + { + /* Don't bother. */ + return; + } + block_initialize_namespace (block, obstack); block->namespace_info ()->scope = scope; @@ -346,6 +352,12 @@ block_set_using (struct block *block, struct using_direct *using_decl, struct obstack *obstack) { + if (using_decl == nullptr) + { + /* Don't bother. */ + return; + } + block_initialize_namespace (block, obstack); block->namespace_info ()->using_decl = using_decl; |