diff options
| author | Petr Štetiar <ynezz@true.cz> | 2021-03-19 16:54:55 +0100 |
|---|---|---|
| committer | Jo-Philipp Wich <jo@mein.io> | 2021-04-23 00:42:30 +0200 |
| commit | 2b59097c3f61fa901e91ac4cea48940760439578 (patch) | |
| tree | 958d739a78f959dfcd55b3d76e6e970ca53fa1c6 /tests/03_bugs/10_break_stack_mismatch | |
| parent | 80393611fb6634abcc0da1dee2da7c4418dbde8d (diff) | |
tests: create custom tests from current tests cases
Signed-off-by: Petr Štetiar <ynezz@true.cz>
Diffstat (limited to 'tests/03_bugs/10_break_stack_mismatch')
| -rw-r--r-- | tests/03_bugs/10_break_stack_mismatch | 38 |
1 files changed, 0 insertions, 38 deletions
diff --git a/tests/03_bugs/10_break_stack_mismatch b/tests/03_bugs/10_break_stack_mismatch deleted file mode 100644 index ae16dac..0000000 --- a/tests/03_bugs/10_break_stack_mismatch +++ /dev/null @@ -1,38 +0,0 @@ -When emitting jump instructions for breaking out of for-loops, the compiler -incorrectly set the jump target before the pop instruction clearing the -intermediate loop variables. Since the break instruction itself already -compiles to a series of pop instructions reverting the stack to it's the -pre-loop state, intermediate values got popped twice, leading to a stack -layout mismatch between compiler and VM, resulting in wrong local variable -values or segmentation faults at runtime. - --- Testcase -- -{% - let x = 1; - - for (let y in [2]) - break; - - print(x, "\n"); -%} --- End -- - --- Expect stdout -- -1 --- End -- - - --- Testcase -- -{% - let x = 1; - - for (let y = 0; y < 1; y++) - break; - - print(x, "\n"); -%} --- End -- - --- Expect stdout -- -1 --- End -- |