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| author | Tom Tromey <tom@tromey.com> | 2017-05-11 22:22:36 -0600 |
|---|---|---|
| committer | Tom Tromey <tom@tromey.com> | 2017-05-12 08:52:55 -0600 |
| commit | 6830f270e7b6676e7a77c1b8080941e35003d918 (patch) | |
| tree | a7faa0b7cb23adbb74344da8be58760bd5779562 /cpu | |
| parent | 68f2f2e308a8585c39ddb2f391a9ae8d779c5029 (diff) | |
| download | gdb-6830f270e7b6676e7a77c1b8080941e35003d918.zip gdb-6830f270e7b6676e7a77c1b8080941e35003d918.tar.gz gdb-6830f270e7b6676e7a77c1b8080941e35003d918.tar.bz2 | |
Avoid exponential behavior in rust_evaluate_subexp
The STRUCTOP_STRUCT case in rust_evaluate_subexp would evaluate its
LHS, and then, if it did not need Rust-specific treatment, it would
back up and re-evaluate the entire STRUCTOP_STRUCT part of the
expression using evaluate_subexp_standard. This yields exponential
behavior and causes some expressions to evaluate extremely slowly.
The fix is to simply do the needed work inline.
This is PR rust/21483.
ChangeLog
2017-05-12 Tom Tromey <tom@tromey.com>
PR rust/21483:
* rust-lang.c (rust_evaluate_subexp) <STRUCTOP_STRUCT>: Don't
recurse, just call value_struct_elt directly.
Diffstat (limited to 'cpu')
0 files changed, 0 insertions, 0 deletions