Minor change for tsan.

mjp41 · mjp41 · commit b7650c2dfb82 · 2023-06-09T13:51:08.000+01:00
diff --git a/src/snmalloc/ds_core/stats.h b/src/snmalloc/ds_core/stats.h
@@ -80,8 +80,8 @@ namespace snmalloc
 
     void operator+=(const MonotoneLocalStat& other)
     {
-      value.fetch_add(
-        other.value.load(std::memory_order_relaxed), std::memory_order_relaxed);
+      auto v = other.value.load(std::memory_order_relaxed);
+      value.fetch_add(v, std::memory_order_relaxed);
     }
 
     size_t operator*()

Original file line number	Diff line number	Diff line change
`@@ -80,8 +80,8 @@ namespace snmalloc`
`80`	`80`
`81`	`81`	`void operator+=(const MonotoneLocalStat& other)`
`82`	`82`	`{`
`83`		`- value.fetch_add(`
`84`		`- other.value.load(std::memory_order_relaxed), std::memory_order_relaxed);`
	`83`	`+ auto v = other.value.load(std::memory_order_relaxed);`
	`84`	`+ value.fetch_add(v, std::memory_order_relaxed);`
`85`	`85`	`}`
`86`	`86`
`87`	`87`	`size_t operator*()`