diff options
Diffstat (limited to 'src/cmd/compile/internal/gc/walk.go')
| -rw-r--r-- | src/cmd/compile/internal/gc/walk.go | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/src/cmd/compile/internal/gc/walk.go b/src/cmd/compile/internal/gc/walk.go index 2133a160b2..98ebb23991 100644 --- a/src/cmd/compile/internal/gc/walk.go +++ b/src/cmd/compile/internal/gc/walk.go @@ -550,8 +550,12 @@ opswitch: case OCLOSUREVAR, OCFUNC: case OCALLINTER, OCALLFUNC, OCALLMETH: - if n.Op == OCALLINTER { + if n.Op == OCALLINTER || n.Op == OCALLMETH { + // We expect both interface call reflect.Type.Method and concrete + // call reflect.(*rtype).Method. usemethod(n) + } + if n.Op == OCALLINTER { markUsedIfaceMethod(n) } @@ -3710,6 +3714,16 @@ func usemethod(n *Node) { } } + // Don't mark reflect.(*rtype).Method, etc. themselves in the reflect package. + // Those functions may be alive via the itab, which should not cause all methods + // alive. We only want to mark their callers. + if myimportpath == "reflect" { + switch Curfn.Func.Nname.Sym.Name { // TODO: is there a better way than hardcoding the names? + case "(*rtype).Method", "(*rtype).MethodByName", "(*interfaceType).Method", "(*interfaceType).MethodByName": + return + } + } + // Note: Don't rely on res0.Type.String() since its formatting depends on multiple factors // (including global variables such as numImports - was issue #19028). // Also need to check for reflect package itself (see Issue #38515). |