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-rw-r--r--src/runtime/malloc.go2
-rw-r--r--src/runtime/type.h2
2 files changed, 2 insertions, 2 deletions
diff --git a/src/runtime/malloc.go b/src/runtime/malloc.go
index 99d14e3145..9b4264f2b3 100644
--- a/src/runtime/malloc.go
+++ b/src/runtime/malloc.go
@@ -270,7 +270,7 @@ func mallocgc(size uintptr, typ *_type, flags int) unsafe.Pointer {
}
ptrmask = (*uint8)(add(unsafe.Pointer(ptrmask), 1)) // skip the unroll flag byte
} else {
- ptrmask = (*uint8)(unsafe.Pointer(&typ.gc[0])) // embed mask
+ ptrmask = (*uint8)(unsafe.Pointer(typ.gc[0])) // pointer to unrolled mask
}
if size == 2*ptrSize {
*xbits = *ptrmask | bitBoundary
diff --git a/src/runtime/type.h b/src/runtime/type.h
index de82e886f2..f5b4f9d13f 100644
--- a/src/runtime/type.h
+++ b/src/runtime/type.h
@@ -23,7 +23,7 @@ struct Type
uint8 kind;
void* alg;
// gc stores type info required for garbage collector.
- // If (kind&KindGCProg)==0, then gc directly contains sparse GC bitmap
+ // If (kind&KindGCProg)==0, then gc[0] points at sparse GC bitmap
// (no indirection), 4 bits per word.
// If (kind&KindGCProg)!=0, then gc[1] points to a compiler-generated
// read-only GC program; and gc[0] points to BSS space for sparse GC bitmap.