cmd/compile: remove ir.OSTMTEXPR op

It is not used anywhere.

Change-Id: I2b8d64902e16893ab5e1b84943f6d865c6e9c7bd
Reviewed-on: https://go-review.googlesource.com/c/go/+/311950
Trust: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Run-TryBot: Cuong Manh Le <cuong.manhle.vn@gmail.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>

2 files changed, 43 insertions, 45 deletions

diff --git a/src/cmd/compile/internal/ir/node.go b/src/cmd/compile/internal/ir/node.go
index b248d59e96..cbc7681d12 100644
--- a/src/cmd/compile/internal/ir/node.go
+++ b/src/cmd/compile/internal/ir/node.go
@@ -248,7 +248,6 @@ const (
 	OOFFSETOF    // unsafe.Offsetof(X)
 	OSIZEOF      // unsafe.Sizeof(X)
 	OMETHEXPR    // method expression
-	OSTMTEXPR    // statement expression (Init; X)
 
 	// statements
 	OBLOCK // { List } (block of code)
diff --git a/src/cmd/compile/internal/ir/op_string.go b/src/cmd/compile/internal/ir/op_string.go
index 156ffd69ba..776a5c1e8d 100644
--- a/src/cmd/compile/internal/ir/op_string.go
+++ b/src/cmd/compile/internal/ir/op_string.go
@@ -120,53 +120,52 @@ func _() {
 	_ = x[OOFFSETOF-109]
 	_ = x[OSIZEOF-110]
 	_ = x[OMETHEXPR-111]
-	_ = x[OSTMTEXPR-112]
-	_ = x[OBLOCK-113]
-	_ = x[OBREAK-114]
-	_ = x[OCASE-115]
-	_ = x[OCONTINUE-116]
-	_ = x[ODEFER-117]
-	_ = x[OFALL-118]
-	_ = x[OFOR-119]
-	_ = x[OFORUNTIL-120]
-	_ = x[OGOTO-121]
-	_ = x[OIF-122]
-	_ = x[OLABEL-123]
-	_ = x[OGO-124]
-	_ = x[ORANGE-125]
-	_ = x[ORETURN-126]
-	_ = x[OSELECT-127]
-	_ = x[OSWITCH-128]
-	_ = x[OTYPESW-129]
-	_ = x[OFUNCINST-130]
-	_ = x[OTCHAN-131]
-	_ = x[OTMAP-132]
-	_ = x[OTSTRUCT-133]
-	_ = x[OTINTER-134]
-	_ = x[OTFUNC-135]
-	_ = x[OTARRAY-136]
-	_ = x[OTSLICE-137]
-	_ = x[OINLCALL-138]
-	_ = x[OEFACE-139]
-	_ = x[OITAB-140]
-	_ = x[OIDATA-141]
-	_ = x[OSPTR-142]
-	_ = x[OCFUNC-143]
-	_ = x[OCHECKNIL-144]
-	_ = x[OVARDEF-145]
-	_ = x[OVARKILL-146]
-	_ = x[OVARLIVE-147]
-	_ = x[ORESULT-148]
-	_ = x[OINLMARK-149]
-	_ = x[OLINKSYMOFFSET-150]
-	_ = x[OTAILCALL-151]
-	_ = x[OGETG-152]
-	_ = x[OEND-153]
+	_ = x[OBLOCK-112]
+	_ = x[OBREAK-113]
+	_ = x[OCASE-114]
+	_ = x[OCONTINUE-115]
+	_ = x[ODEFER-116]
+	_ = x[OFALL-117]
+	_ = x[OFOR-118]
+	_ = x[OFORUNTIL-119]
+	_ = x[OGOTO-120]
+	_ = x[OIF-121]
+	_ = x[OLABEL-122]
+	_ = x[OGO-123]
+	_ = x[ORANGE-124]
+	_ = x[ORETURN-125]
+	_ = x[OSELECT-126]
+	_ = x[OSWITCH-127]
+	_ = x[OTYPESW-128]
+	_ = x[OFUNCINST-129]
+	_ = x[OTCHAN-130]
+	_ = x[OTMAP-131]
+	_ = x[OTSTRUCT-132]
+	_ = x[OTINTER-133]
+	_ = x[OTFUNC-134]
+	_ = x[OTARRAY-135]
+	_ = x[OTSLICE-136]
+	_ = x[OINLCALL-137]
+	_ = x[OEFACE-138]
+	_ = x[OITAB-139]
+	_ = x[OIDATA-140]
+	_ = x[OSPTR-141]
+	_ = x[OCFUNC-142]
+	_ = x[OCHECKNIL-143]
+	_ = x[OVARDEF-144]
+	_ = x[OVARKILL-145]
+	_ = x[OVARLIVE-146]
+	_ = x[ORESULT-147]
+	_ = x[OINLMARK-148]
+	_ = x[OLINKSYMOFFSET-149]
+	_ = x[OTAILCALL-150]
+	_ = x[OGETG-151]
+	_ = x[OEND-152]
 }
 
-const _Op_name = "XXXNAMENONAMETYPEPACKLITERALNILADDSUBORXORADDSTRADDRANDANDAPPENDBYTES2STRBYTES2STRTMPRUNES2STRSTR2BYTESSTR2BYTESTMPSTR2RUNESSLICE2ARRPTRASAS2AS2DOTTYPEAS2FUNCAS2MAPRAS2RECVASOPCALLCALLFUNCCALLMETHCALLINTERCALLPARTCAPCLOSECLOSURECOMPLITMAPLITSTRUCTLITARRAYLITSLICELITPTRLITCONVCONVIFACECONVNOPCOPYDCLDCLFUNCDCLCONSTDCLTYPEDELETEDOTDOTPTRDOTMETHDOTINTERXDOTDOTTYPEDOTTYPE2EQNELTLEGEGTDEREFINDEXINDEXMAPKEYSTRUCTKEYLENMAKEMAKECHANMAKEMAPMAKESLICEMAKESLICECOPYMULDIVMODLSHRSHANDANDNOTNEWNOTBITNOTPLUSNEGORORPANICPRINTPRINTNPARENSENDSLICESLICEARRSLICESTRSLICE3SLICE3ARRSLICEHEADERRECOVERRECVRUNESTRSELRECV2IOTAREALIMAGCOMPLEXALIGNOFOFFSETOFSIZEOFMETHEXPRSTMTEXPRBLOCKBREAKCASECONTINUEDEFERFALLFORFORUNTILGOTOIFLABELGORANGERETURNSELECTSWITCHTYPESWFUNCINSTTCHANTMAPTSTRUCTTINTERTFUNCTARRAYTSLICEINLCALLEFACEITABIDATASPTRCFUNCCHECKNILVARDEFVARKILLVARLIVERESULTINLMARKLINKSYMOFFSETTAILCALLGETGEND"
+const _Op_name = "XXXNAMENONAMETYPEPACKLITERALNILADDSUBORXORADDSTRADDRANDANDAPPENDBYTES2STRBYTES2STRTMPRUNES2STRSTR2BYTESSTR2BYTESTMPSTR2RUNESSLICE2ARRPTRASAS2AS2DOTTYPEAS2FUNCAS2MAPRAS2RECVASOPCALLCALLFUNCCALLMETHCALLINTERCALLPARTCAPCLOSECLOSURECOMPLITMAPLITSTRUCTLITARRAYLITSLICELITPTRLITCONVCONVIFACECONVNOPCOPYDCLDCLFUNCDCLCONSTDCLTYPEDELETEDOTDOTPTRDOTMETHDOTINTERXDOTDOTTYPEDOTTYPE2EQNELTLEGEGTDEREFINDEXINDEXMAPKEYSTRUCTKEYLENMAKEMAKECHANMAKEMAPMAKESLICEMAKESLICECOPYMULDIVMODLSHRSHANDANDNOTNEWNOTBITNOTPLUSNEGORORPANICPRINTPRINTNPARENSENDSLICESLICEARRSLICESTRSLICE3SLICE3ARRSLICEHEADERRECOVERRECVRUNESTRSELRECV2IOTAREALIMAGCOMPLEXALIGNOFOFFSETOFSIZEOFMETHEXPRBLOCKBREAKCASECONTINUEDEFERFALLFORFORUNTILGOTOIFLABELGORANGERETURNSELECTSWITCHTYPESWFUNCINSTTCHANTMAPTSTRUCTTINTERTFUNCTARRAYTSLICEINLCALLEFACEITABIDATASPTRCFUNCCHECKNILVARDEFVARKILLVARLIVERESULTINLMARKLINKSYMOFFSETTAILCALLGETGEND"
 
-var _Op_index = [...]uint16{0, 3, 7, 13, 17, 21, 28, 31, 34, 37, 39, 42, 48, 52, 58, 64, 73, 85, 94, 103, 115, 124, 136, 138, 141, 151, 158, 165, 172, 176, 180, 188, 196, 205, 213, 216, 221, 228, 235, 241, 250, 258, 266, 272, 276, 285, 292, 296, 299, 306, 314, 321, 327, 330, 336, 343, 351, 355, 362, 370, 372, 374, 376, 378, 380, 382, 387, 392, 400, 403, 412, 415, 419, 427, 434, 443, 456, 459, 462, 465, 468, 471, 474, 480, 483, 486, 492, 496, 499, 503, 508, 513, 519, 524, 528, 533, 541, 549, 555, 564, 575, 582, 586, 593, 601, 605, 609, 613, 620, 627, 635, 641, 649, 657, 662, 667, 671, 679, 684, 688, 691, 699, 703, 705, 710, 712, 717, 723, 729, 735, 741, 749, 754, 758, 765, 771, 776, 782, 788, 795, 800, 804, 809, 813, 818, 826, 832, 839, 846, 852, 859, 872, 880, 884, 887}
+var _Op_index = [...]uint16{0, 3, 7, 13, 17, 21, 28, 31, 34, 37, 39, 42, 48, 52, 58, 64, 73, 85, 94, 103, 115, 124, 136, 138, 141, 151, 158, 165, 172, 176, 180, 188, 196, 205, 213, 216, 221, 228, 235, 241, 250, 258, 266, 272, 276, 285, 292, 296, 299, 306, 314, 321, 327, 330, 336, 343, 351, 355, 362, 370, 372, 374, 376, 378, 380, 382, 387, 392, 400, 403, 412, 415, 419, 427, 434, 443, 456, 459, 462, 465, 468, 471, 474, 480, 483, 486, 492, 496, 499, 503, 508, 513, 519, 524, 528, 533, 541, 549, 555, 564, 575, 582, 586, 593, 601, 605, 609, 613, 620, 627, 635, 641, 649, 654, 659, 663, 671, 676, 680, 683, 691, 695, 697, 702, 704, 709, 715, 721, 727, 733, 741, 746, 750, 757, 763, 768, 774, 780, 787, 792, 796, 801, 805, 810, 818, 824, 831, 838, 844, 851, 864, 872, 876, 879}
 
 func (i Op) String() string {
 	if i >= Op(len(_Op_index)-1) {