func f1() {
	p = alloc(2) // ERROR "inlining call to alloc" "moved to heap: x"

	// Escape analysis used to miss inlined code in closures.

	func() { // ERROR "can inline f1.func1"
		p = alloc(3) // ERROR "inlining call to alloc"
	}() // ERROR "inlining call to f1.func1" "inlining call to alloc" "moved to heap: x"

	f = func() { // ERROR "func literal escapes to heap" "can inline f1.func2"

# assembly 2^26 or so times.
#
# We build something which should be laid out as such:
#
# bar.Bar
# main.Func1
# bar.Bar+400-tramp0
# main.BigAsm
# main.Func2
# bar.Bar+400-tramp1
#
# bar.Bar needs to be placed far enough away to generate relocations
# from main package calls. and main.Func1 and main.Func2 are placed
# a bit more than the direct call limit apart, but not more than 0x400

	}
	// Only frames in the test package are checked.
	want := []string{
		"test._Cfunc_backtrace",
		"test.testCallbackCallersSEH.func1.1",
		"test.testCallbackCallersSEH.func1",
		"test.goCallback",
		"test._Cfunc_callback",
		"test.nestedCall.func1",
		"test.nestedCall",
		"test.testCallbackCallersSEH",
		"test.TestCallbackCallersSEH",
	}
	pc := make([]uintptr, 100)
	n := 0
	nestedCall(func() {

	if runtime.GOARCH != "amd64" {
		t.Skip("skipping amd64-only test")
	}
	want := []string{"runtime_test.sehCallers", "runtime_test.TestSehUnwindDoublePanic.func1.1", "runtime.gopanic",
		"runtime_test.TestSehUnwindDoublePanic.func1", "runtime.gopanic", "runtime_test.TestSehUnwindDoublePanic"}
	defer func() {
		defer func() {
			if recover() == nil {
				t.Fatal("did not panic")
			}
			pcs := sehCallers()

		},
		// ExerciseFuncClosure
		// TODO(prattmic): Closure callees not implemented.
		//{
		//	pos:    "./devirt.go:249:27",
		//	callee: "AddClosure.func1",
		//},
		//{
		//	pos:    "./devirt.go:249:15",
		//	callee: "mult.MultClosure.func1",
		//},
	}

	testPGODevirtualize(t, dir, want, profFileName)
}

// TestPGOPreprocessDevirtualize tests that specific functions are devirtualized when PGO

23 101
example.com/pgo/devirtualize.ExerciseFuncField
example.com/pgo/devirtualize/mult%2epkg.MultFn
23 94
example.com/pgo/devirtualize.ExerciseFuncClosure
example.com/pgo/devirtualize/mult%2epkg.MultClosure.func1
18 93
example.com/pgo/devirtualize.ExerciseFuncClosure
example.com/pgo/devirtualize.Add.Add
18 92
example.com/pgo/devirtualize.ExerciseFuncConcrete
example.com/pgo/devirtualize/mult%2epkg.MultFn
48 91

        given:
        sourceFile << """
            #define FUNC1(X) X
            #define FUNC2(X) (X)
            #define ARGS ("hello.h")

            #define HEADER_(X) X
            #define HEADER(X) HEADER_(FUNC1 FUNC2 X)

            #include HEADER(ARGS) // replaced by FUNC1 FUNC2 ("hello.h") then FUNC1 ("hello.h")
        """

        expect:
        resolve() == [header]
    }

	// Make sure we don't have any extra frames on the stack (due to
	// open-coded defer processing)
	want := []string{"runtime.Callers", "runtime_test.TestCallersDoublePanic.func1.1",
		"runtime.gopanic", "runtime_test.TestCallersDoublePanic.func1", "runtime.gopanic", "runtime_test.TestCallersDoublePanic"}

	defer func() {
		defer func() {
			pcs := make([]uintptr, 20)
			pcs = pcs[:runtime.Callers(0, pcs)]

package p

type T struct {
	s [2]string
}

func f(a T) { // ERROR "live at entry to f: a$"
	var e interface{} // ERROR "stack object e interface \{\}$"
	func() {          // ERROR "live at entry to f.func1: &e a$"
		e = a.s // ERROR "live at call to convT: &e$" "stack object a T$"
	}()
	// Before the fix, both a and e were live at the previous line.
	_ = e

{"Action":"output","Test":"TestPanic","Output":"\n"}
{"Action":"output","Test":"TestPanic","Output":"goroutine 7 [running]:\n"}
{"Action":"output","Test":"TestPanic","Output":"testing.tRunner.func1(0xc000092100)\n"}
{"Action":"output","Test":"TestPanic","Output":"\t/go/src/testing/testing.go:874 +0x3a3\n"}
{"Action":"output","Test":"TestPanic","Output":"panic(0x1110ea0, 0x116aea0)\n"}