tinygo-org/tinygo
1
0
Fork 0
mirror of https://github.com/tinygo-org/tinygo.git synced 2026-08-20 04:19:04 +00:00
Code Issues Packages Projects Releases 6 Wiki Activity

runtime: zero freed memory

Browse Source 
This helps to find bugs in the GC. It does have a performance impact so
it's only enabled when asserts are enabled.
This commit is contained in:
Ayke van Laethem
2022-12-18 17:27:23 +01:00
committed by Ayke
parent fb73074325
commit 17176a2cea
1 changed files with 3 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/runtime/gc_blocks.go
+3
View File
@@ -168,6 +168,9 @@ func (b gcBlock) markFree() {
if gcAsserts && b.state() != blockStateFree { if gcAsserts && b.state() != blockStateFree {
runtimePanic("gc: markFree() was not successful") runtimePanic("gc: markFree() was not successful")
} }
if gcAsserts {
*(*[wordsPerBlock]uintptr)(unsafe.Pointer(b.address())) = [wordsPerBlock]uintptr{}
}
} }
// unmark changes the state of the block from mark to head. It must be marked // unmark changes the state of the block from mark to head. It must be marked