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Cherry Zhang ed8079096f cmd/compile: mark concrete call of reflect.(*rtype).Method as REFLECTMETHOD 
For functions that call reflect.Type.Method (or MethodByName), we
mark it as REFLECTMETHOD, which tells the linker that methods
can be retrieved via reflection and the linker keeps all exported
methods live. Currently, this marking expects exactly the
interface call reflect.Type.Method (or MethodByName). But now the
compiler can devirtualize that call to a concrete call
reflect.(*rtype).Method (or MethodByName), which is not handled
and causing the linker to discard methods too aggressively.
Handle the latter in this CL.

Fixes #44207.

Change-Id: Ia4060472dbff6ab6a83d2ca8e60a3e3f180ee832
Reviewed-on: https://go-review.googlesource.com/c/go/+/290950
Trust: Cherry Zhang <cherryyz@google.com>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
2021-02-10 22:44:54 +00:00
..
alias3.dir
bench
chan
closure3.dir
codegen
ddd2.dir
dwarf
fixedbugs test: fix incorrectly laid out instructions in issue11656.go 2021-02-01 21:38:01 +00:00
import2.dir
import4.dir
interface
intrinsic.dir
ken
linkname.dir
method4.dir
oldescape_linkname.dir
retjmp.dir
runtime
stress
syntax test: match gofrontend error messages 2020-12-02 02:56:41 +00:00
uintptrescapes.dir
64bit.go
235.go
alg.go
alias1.go
alias2.go
alias3.go
alias.go
align.go
append1.go
append.go
args.go
armimm.go
assign1.go
assign.go test: match gccgo error messages 2020-12-03 16:28:44 +00:00
atomicload.go
bigalg.go
bigmap.go
blank1.go
blank.go
bom.go
bombad.go
bounds.go
cannotassign.go
chancap.go
chanlinear.go
char_lit1.go
char_lit.go
checkbce.go
clearfat.go
closedchan.go
closure1.go
closure2.go
closure3.go
closure4.go
closure.go
cmp6.go
cmp.go
cmplx.go
cmplxdivide1.go
cmplxdivide.c
cmplxdivide.go
complit1.go
complit.go
compos.go
const1.go
const2.go
const3.go
const4.go
const5.go
const6.go
const.go
convert1.go
convert2.go
convert3.go
convert.go
convlit1.go
convlit.go
convT2X.go
copy1.go
copy.go
crlf.go
ddd1.go
ddd2.go
ddd.go
decl.go
declbad.go
defer.go
defererrcheck.go
deferfin.go
defernil.go
deferprint.go
deferprint.out
devirt.go
directive.go
divide.go
divmod.go
embedfunc.go cmd/compile: require 'go 1.16' go.mod line for //go:embed 2021-01-19 20:07:52 +00:00
embedvers.go cmd/compile: require 'go 1.16' go.mod line for //go:embed 2021-01-19 20:07:52 +00:00
empty.go
env.go
eof1.go
eof.go
escape2.go
escape2n.go
escape3.go
escape4.go
escape5.go
escape_array.go
escape_calls.go
escape_closure.go
escape_field.go
escape_goto.go
escape_hash_maphash.go
escape_iface.go
escape_indir.go
escape_level.go
escape_map.go
escape_param.go
escape_runtime_atomic.go
escape_selfassign.go
escape_slice.go
escape_struct_param1.go
escape_struct_param2.go
escape_struct_return.go
escape_sync_atomic.go
escape_unsafe.go
escape.go
fibo.go
finprofiled.go
float_lit2.go
float_lit3.go
float_lit.go
floatcmp.go
for.go
func1.go
func2.go
func3.go
func4.go
func5.go
func6.go
func7.go
func8.go
func.go
funcdup2.go
funcdup.go
gc1.go
gc2.go
gc.go
gcgort.go
gcstring.go
goprint.go
goprint.out
goto.go
heapsampling.go
helloworld.go
helloworld.out
if.go
import1.go
import2.go
import4.go
import5.go
import6.go
import.go
index0.go
index1.go
index2.go
index.go
indirect1.go
indirect.go
init1.go
init.go
initcomma.go
initempty.go
initexp.go cmd/compile: fix exponential-time init-cycle reporting 2021-01-08 17:14:20 +00:00
initialize.go
initializerr.go
initloop.go
inline_big.go
inline_caller.go
inline_callers.go
inline_literal.go
inline_math_bits_rotate.go
inline_sync.go
inline_variadic.go
inline.go
int_lit.go
intcvt.go
intrinsic_atomic.go
intrinsic.go
iota.go
label1.go
label.go
linkmain_run.go
linkmain.go
linkname.go
linkobj.go test: recognize and use gc build tag 2020-12-18 00:10:44 +00:00
linkx_run.go test: recognize and use gc build tag 2020-12-18 00:10:44 +00:00
linkx.go
literal2.go
literal.go
live1.go
live2.go
live_syscall.go
live.go
locklinear.go
loopbce.go
makechan.go
makemap.go
makenew.go
makeslice.go
mallocfin.go
map1.go
map.go
mapclear.go
maplinear.go
mergemul.go
method1.go
method2.go test: match gccgo error messages 2020-12-03 16:28:44 +00:00
method3.go
method4.go
method5.go
method6.go
method7.go
method.go
named1.go
named.go
nil.go
nilcheck.go
nilptr2.go
nilptr3.go
nilptr4.go
nilptr5_aix.go
nilptr5_wasm.go
nilptr5.go
nilptr_aix.go
nilptr.go
nosplit.go test: recognize and use gc build tag 2020-12-18 00:10:44 +00:00
notinheap2.go
notinheap3.go
notinheap.go
nowritebarrier.go
nul1.go
opt_branchlikely.go
parentype.go
peano.go
phiopt.go
print.go
print.out
printbig.go
printbig.out
prove.go
range.go
README.md
recover1.go
recover2.go
recover3.go
recover4.go
recover5.go
recover.go
reflectmethod1.go
reflectmethod2.go
reflectmethod3.go
reflectmethod4.go
reflectmethod5.go
reflectmethod6.go
reflectmethod7.go cmd/compile: mark concrete call of reflect.(*rtype).Method as REFLECTMETHOD 2021-02-10 22:44:54 +00:00
rename1.go
rename.go
reorder2.go
reorder.go
retjmp.go
return.go
rotate0.go
rotate1.go
rotate2.go
rotate3.go
rotate.go
run.go test: fix timeout code for invoking compiler 2021-01-08 17:14:00 +00:00
rune.go
runtime.go
shift1.go
shift2.go
sieve.go
sigchld.go
sigchld.out
simassign.go
sinit_run.go test: recognize and use gc build tag 2020-12-18 00:10:44 +00:00
sinit.go
sizeof.go
slice3.go
slice3err.go
slicecap.go
sliceopt.go
solitaire.go
stack.go
stackobj2.go
stackobj3.go
stackobj.go
strcopy.go
strength.go
string_lit.go
stringrange.go
struct0.go
switch2.go
switch3.go
switch4.go
switch5.go
switch6.go
switch7.go
switch.go
tinyfin.go
torture.go
turing.go
typecheck.go
typecheckloop.go
typeswitch1.go
typeswitch2.go
typeswitch2b.go
typeswitch3.go
typeswitch.go
uintptrescapes2.go
uintptrescapes3.go
uintptrescapes.go
undef.go
utf.go
varerr.go
varinit.go
winbatch.go all: update to use filepath.WalkDir instead of filepath.Walk 2020-12-02 16:33:57 +00:00
writebarrier.go
zerodivide.go

README.md

The test directory contains tests of the Go tool chain and runtime. It includes black box tests, regression tests, and error output tests. They are run as part of all.bash.

To run just these tests, execute:

../bin/go run run.go

To run just tests from specified files in this directory, execute:

../bin/go run run.go -- file1.go file2.go ...

Standard library tests should be written as regular Go tests in the appropriate package.

The tool chain and runtime also have regular Go tests in their packages. The main reasons to add a new test to this directory are:

  • it is most naturally expressed using the test runner; or
  • it is also applicable to gccgo and other Go tool chains.