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| author | Clifford Wolf <clifford@clifford.at> | 2018-12-18 17:49:38 +0100 |
|---|---|---|
| committer | Clifford Wolf <clifford@clifford.at> | 2018-12-18 17:49:38 +0100 |
| commit | fdf7c421810e8718f7ee312ddd3cfdbfb65aa2ce (patch) | |
| tree | 463596096e15fc18aaa9c77073434fc546578cb5 | |
| parent | 3d671630e2bf78cd53ef1b678a1bbb63338cbcd2 (diff) | |
| download | yosys-fdf7c421810e8718f7ee312ddd3cfdbfb65aa2ce.tar.gz yosys-fdf7c421810e8718f7ee312ddd3cfdbfb65aa2ce.tar.bz2 yosys-fdf7c421810e8718f7ee312ddd3cfdbfb65aa2ce.zip | |
Fix segfault in AST simplify
(as proposed by Dan Gisselquist)
Signed-off-by: Clifford Wolf <clifford@clifford.at>
| -rw-r--r-- | frontends/ast/simplify.cc | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/frontends/ast/simplify.cc b/frontends/ast/simplify.cc index 55abe165f..83714f897 100644 --- a/frontends/ast/simplify.cc +++ b/frontends/ast/simplify.cc @@ -1810,6 +1810,11 @@ skip_dynamic_range_lvalue_expansion:; log_assert(block != nullptr); + if (num_steps == 0) { + newNode = children[0]->clone(); + goto apply_newNode; + } + int myidx = autoidx++; AstNode *outreg = nullptr; |