index: pcdatavalue1(u.f, abi.PCDATA_InlTreeIndex, pc, false),
	}
}

func (uf inlineFrame) valid() bool {
	return uf.pc != 0
}

// next returns the frame representing uf's logical caller.
func (u *inlineUnwinder) next(uf inlineFrame) inlineFrame {
	if uf.index < 0 {
		uf.pc = 0
		return uf
	}
	parentPc := u.inlTree[uf.index].parentPc
	return u.resolveInternal(u.f.entry() + uintptr(parentPc))
}

			// this robust.
			continue
		}
		for ; uf.valid(); uf = u.next(uf) {
			file, line := u.fileLine(uf)
			const wantFile = "symtabinl_test.go"
			if !stringslite.HasSuffix(file, wantFile) {
				t.Errorf("tiuTest+%#x: want file ...%s, got %s", pc-pc1, wantFile, file)
			}

			sf := u.srcFunc(uf)

			name := sf.name()
			const namePrefix = "runtime."