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Initial commit: Go 1.23 release state

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Vorapol Rinsatitnon
2024-09-21 23:49:08 +10:00
commit 17cd57a668
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test/fixedbugs/issue2615.go Normal file
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// run
// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Issue 2615: a long chain of else if's causes an overflow
// in the parser stack.
package main
// test returns the index of the lowest set bit in a 256-bit vector.
func test(x [4]uint64) int {
if x[0]&(1<<0) != 0 {
return 0
} else if x[0]&(1<<1) != 0 {
return 1
} else if x[0]&(1<<2) != 0 {
return 2
} else if x[0]&(1<<3) != 0 {
return 3
} else if x[0]&(1<<4) != 0 {
return 4
} else if x[0]&(1<<5) != 0 {
return 5
} else if x[0]&(1<<6) != 0 {
return 6
} else if x[0]&(1<<7) != 0 {
return 7
} else if x[0]&(1<<8) != 0 {
return 8
} else if x[0]&(1<<9) != 0 {
return 9
} else if x[0]&(1<<10) != 0 {
return 10
} else if x[0]&(1<<11) != 0 {
return 11
} else if x[0]&(1<<12) != 0 {
return 12
} else if x[0]&(1<<13) != 0 {
return 13
} else if x[0]&(1<<14) != 0 {
return 14
} else if x[0]&(1<<15) != 0 {
return 15
} else if x[0]&(1<<16) != 0 {
return 16
} else if x[0]&(1<<17) != 0 {
return 17
} else if x[0]&(1<<18) != 0 {
return 18
} else if x[0]&(1<<19) != 0 {
return 19
} else if x[0]&(1<<20) != 0 {
return 20
} else if x[0]&(1<<21) != 0 {
return 21
} else if x[0]&(1<<22) != 0 {
return 22
} else if x[0]&(1<<23) != 0 {
return 23
} else if x[0]&(1<<24) != 0 {
return 24
} else if x[0]&(1<<25) != 0 {
return 25
} else if x[0]&(1<<26) != 0 {
return 26
} else if x[0]&(1<<27) != 0 {
return 27
} else if x[0]&(1<<28) != 0 {
return 28
} else if x[0]&(1<<29) != 0 {
return 29
} else if x[0]&(1<<30) != 0 {
return 30
} else if x[0]&(1<<31) != 0 {
return 31
} else if x[0]&(1<<32) != 0 {
return 32
} else if x[0]&(1<<33) != 0 {
return 33
} else if x[0]&(1<<34) != 0 {
return 34
} else if x[0]&(1<<35) != 0 {
return 35
} else if x[0]&(1<<36) != 0 {
return 36
} else if x[0]&(1<<37) != 0 {
return 37
} else if x[0]&(1<<38) != 0 {
return 38
} else if x[0]&(1<<39) != 0 {
return 39
} else if x[0]&(1<<40) != 0 {
return 40
} else if x[0]&(1<<41) != 0 {
return 41
} else if x[0]&(1<<42) != 0 {
return 42
} else if x[0]&(1<<43) != 0 {
return 43
} else if x[0]&(1<<44) != 0 {
return 44
} else if x[0]&(1<<45) != 0 {
return 45
} else if x[0]&(1<<46) != 0 {
return 46
} else if x[0]&(1<<47) != 0 {
return 47
} else if x[0]&(1<<48) != 0 {
return 48
} else if x[0]&(1<<49) != 0 {
return 49
} else if x[0]&(1<<50) != 0 {
return 50
} else if x[0]&(1<<51) != 0 {
return 51
} else if x[0]&(1<<52) != 0 {
return 52
} else if x[0]&(1<<53) != 0 {
return 53
} else if x[0]&(1<<54) != 0 {
return 54
} else if x[0]&(1<<55) != 0 {
return 55
} else if x[0]&(1<<56) != 0 {
return 56
} else if x[0]&(1<<57) != 0 {
return 57
} else if x[0]&(1<<58) != 0 {
return 58
} else if x[0]&(1<<59) != 0 {
return 59
} else if x[0]&(1<<60) != 0 {
return 60
} else if x[0]&(1<<61) != 0 {
return 61
} else if x[0]&(1<<62) != 0 {
return 62
} else if x[0]&(1<<63) != 0 {
return 63
} else if x[1]&(1<<0) != 0 {
return 64
} else if x[1]&(1<<1) != 0 {
return 65
} else if x[1]&(1<<2) != 0 {
return 66
} else if x[1]&(1<<3) != 0 {
return 67
} else if x[1]&(1<<4) != 0 {
return 68
} else if x[1]&(1<<5) != 0 {
return 69
} else if x[1]&(1<<6) != 0 {
return 70
} else if x[1]&(1<<7) != 0 {
return 71
} else if x[1]&(1<<8) != 0 {
return 72
} else if x[1]&(1<<9) != 0 {
return 73
} else if x[1]&(1<<10) != 0 {
return 74
} else if x[1]&(1<<11) != 0 {
return 75
} else if x[1]&(1<<12) != 0 {
return 76
} else if x[1]&(1<<13) != 0 {
return 77
} else if x[1]&(1<<14) != 0 {
return 78
} else if x[1]&(1<<15) != 0 {
return 79
} else if x[1]&(1<<16) != 0 {
return 80
} else if x[1]&(1<<17) != 0 {
return 81
} else if x[1]&(1<<18) != 0 {
return 82
} else if x[1]&(1<<19) != 0 {
return 83
} else if x[1]&(1<<20) != 0 {
return 84
} else if x[1]&(1<<21) != 0 {
return 85
} else if x[1]&(1<<22) != 0 {
return 86
} else if x[1]&(1<<23) != 0 {
return 87
} else if x[1]&(1<<24) != 0 {
return 88
} else if x[1]&(1<<25) != 0 {
return 89
} else if x[1]&(1<<26) != 0 {
return 90
} else if x[1]&(1<<27) != 0 {
return 91
} else if x[1]&(1<<28) != 0 {
return 92
} else if x[1]&(1<<29) != 0 {
return 93
} else if x[1]&(1<<30) != 0 {
return 94
} else if x[1]&(1<<31) != 0 {
return 95
} else if x[1]&(1<<32) != 0 {
return 96
} else if x[1]&(1<<33) != 0 {
return 97
} else if x[1]&(1<<34) != 0 {
return 98
} else if x[1]&(1<<35) != 0 {
return 99
} else if x[1]&(1<<36) != 0 {
return 100
} else if x[1]&(1<<37) != 0 {
return 101
} else if x[1]&(1<<38) != 0 {
return 102
} else if x[1]&(1<<39) != 0 {
return 103
} else if x[1]&(1<<40) != 0 {
return 104
} else if x[1]&(1<<41) != 0 {
return 105
} else if x[1]&(1<<42) != 0 {
return 106
} else if x[1]&(1<<43) != 0 {
return 107
} else if x[1]&(1<<44) != 0 {
return 108
} else if x[1]&(1<<45) != 0 {
return 109
} else if x[1]&(1<<46) != 0 {
return 110
} else if x[1]&(1<<47) != 0 {
return 111
} else if x[1]&(1<<48) != 0 {
return 112
} else if x[1]&(1<<49) != 0 {
return 113
} else if x[1]&(1<<50) != 0 {
return 114
} else if x[1]&(1<<51) != 0 {
return 115
} else if x[1]&(1<<52) != 0 {
return 116
} else if x[1]&(1<<53) != 0 {
return 117
} else if x[1]&(1<<54) != 0 {
return 118
} else if x[1]&(1<<55) != 0 {
return 119
} else if x[1]&(1<<56) != 0 {
return 120
} else if x[1]&(1<<57) != 0 {
return 121
} else if x[1]&(1<<58) != 0 {
return 122
} else if x[1]&(1<<59) != 0 {
return 123
} else if x[1]&(1<<60) != 0 {
return 124
} else if x[1]&(1<<61) != 0 {
return 125
} else if x[1]&(1<<62) != 0 {
return 126
} else if x[1]&(1<<63) != 0 {
return 127
} else if x[2]&(1<<0) != 0 {
return 128
} else if x[2]&(1<<1) != 0 {
return 129
} else if x[2]&(1<<2) != 0 {
return 130
} else if x[2]&(1<<3) != 0 {
return 131
} else if x[2]&(1<<4) != 0 {
return 132
} else if x[2]&(1<<5) != 0 {
return 133
} else if x[2]&(1<<6) != 0 {
return 134
} else if x[2]&(1<<7) != 0 {
return 135
} else if x[2]&(1<<8) != 0 {
return 136
} else if x[2]&(1<<9) != 0 {
return 137
} else if x[2]&(1<<10) != 0 {
return 138
} else if x[2]&(1<<11) != 0 {
return 139
} else if x[2]&(1<<12) != 0 {
return 140
} else if x[2]&(1<<13) != 0 {
return 141
} else if x[2]&(1<<14) != 0 {
return 142
} else if x[2]&(1<<15) != 0 {
return 143
} else if x[2]&(1<<16) != 0 {
return 144
} else if x[2]&(1<<17) != 0 {
return 145
} else if x[2]&(1<<18) != 0 {
return 146
} else if x[2]&(1<<19) != 0 {
return 147
} else if x[2]&(1<<20) != 0 {
return 148
} else if x[2]&(1<<21) != 0 {
return 149
} else if x[2]&(1<<22) != 0 {
return 150
} else if x[2]&(1<<23) != 0 {
return 151
} else if x[2]&(1<<24) != 0 {
return 152
} else if x[2]&(1<<25) != 0 {
return 153
} else if x[2]&(1<<26) != 0 {
return 154
} else if x[2]&(1<<27) != 0 {
return 155
} else if x[2]&(1<<28) != 0 {
return 156
} else if x[2]&(1<<29) != 0 {
return 157
} else if x[2]&(1<<30) != 0 {
return 158
} else if x[2]&(1<<31) != 0 {
return 159
} else if x[2]&(1<<32) != 0 {
return 160
} else if x[2]&(1<<33) != 0 {
return 161
} else if x[2]&(1<<34) != 0 {
return 162
} else if x[2]&(1<<35) != 0 {
return 163
} else if x[2]&(1<<36) != 0 {
return 164
} else if x[2]&(1<<37) != 0 {
return 165
} else if x[2]&(1<<38) != 0 {
return 166
} else if x[2]&(1<<39) != 0 {
return 167
} else if x[2]&(1<<40) != 0 {
return 168
} else if x[2]&(1<<41) != 0 {
return 169
} else if x[2]&(1<<42) != 0 {
return 170
} else if x[2]&(1<<43) != 0 {
return 171
} else if x[2]&(1<<44) != 0 {
return 172
} else if x[2]&(1<<45) != 0 {
return 173
} else if x[2]&(1<<46) != 0 {
return 174
} else if x[2]&(1<<47) != 0 {
return 175
} else if x[2]&(1<<48) != 0 {
return 176
} else if x[2]&(1<<49) != 0 {
return 177
} else if x[2]&(1<<50) != 0 {
return 178
} else if x[2]&(1<<51) != 0 {
return 179
} else if x[2]&(1<<52) != 0 {
return 180
} else if x[2]&(1<<53) != 0 {
return 181
} else if x[2]&(1<<54) != 0 {
return 182
} else if x[2]&(1<<55) != 0 {
return 183
} else if x[2]&(1<<56) != 0 {
return 184
} else if x[2]&(1<<57) != 0 {
return 185
} else if x[2]&(1<<58) != 0 {
return 186
} else if x[2]&(1<<59) != 0 {
return 187
} else if x[2]&(1<<60) != 0 {
return 188
} else if x[2]&(1<<61) != 0 {
return 189
} else if x[2]&(1<<62) != 0 {
return 190
} else if x[2]&(1<<63) != 0 {
return 191
} else if x[3]&(1<<0) != 0 {
return 192
} else if x[3]&(1<<1) != 0 {
return 193
} else if x[3]&(1<<2) != 0 {
return 194
} else if x[3]&(1<<3) != 0 {
return 195
} else if x[3]&(1<<4) != 0 {
return 196
} else if x[3]&(1<<5) != 0 {
return 197
} else if x[3]&(1<<6) != 0 {
return 198
} else if x[3]&(1<<7) != 0 {
return 199
} else if x[3]&(1<<8) != 0 {
return 200
} else if x[3]&(1<<9) != 0 {
return 201
} else if x[3]&(1<<10) != 0 {
return 202
} else if x[3]&(1<<11) != 0 {
return 203
} else if x[3]&(1<<12) != 0 {
return 204
} else if x[3]&(1<<13) != 0 {
return 205
} else if x[3]&(1<<14) != 0 {
return 206
} else if x[3]&(1<<15) != 0 {
return 207
} else if x[3]&(1<<16) != 0 {
return 208
} else if x[3]&(1<<17) != 0 {
return 209
} else if x[3]&(1<<18) != 0 {
return 210
} else if x[3]&(1<<19) != 0 {
return 211
} else if x[3]&(1<<20) != 0 {
return 212
} else if x[3]&(1<<21) != 0 {
return 213
} else if x[3]&(1<<22) != 0 {
return 214
} else if x[3]&(1<<23) != 0 {
return 215
} else if x[3]&(1<<24) != 0 {
return 216
} else if x[3]&(1<<25) != 0 {
return 217
} else if x[3]&(1<<26) != 0 {
return 218
} else if x[3]&(1<<27) != 0 {
return 219
} else if x[3]&(1<<28) != 0 {
return 220
} else if x[3]&(1<<29) != 0 {
return 221
} else if x[3]&(1<<30) != 0 {
return 222
} else if x[3]&(1<<31) != 0 {
return 223
} else if x[3]&(1<<32) != 0 {
return 224
} else if x[3]&(1<<33) != 0 {
return 225
} else if x[3]&(1<<34) != 0 {
return 226
} else if x[3]&(1<<35) != 0 {
return 227
} else if x[3]&(1<<36) != 0 {
return 228
} else if x[3]&(1<<37) != 0 {
return 229
} else if x[3]&(1<<38) != 0 {
return 230
} else if x[3]&(1<<39) != 0 {
return 231
} else if x[3]&(1<<40) != 0 {
return 232
} else if x[3]&(1<<41) != 0 {
return 233
} else if x[3]&(1<<42) != 0 {
return 234
} else if x[3]&(1<<43) != 0 {
return 235
} else if x[3]&(1<<44) != 0 {
return 236
} else if x[3]&(1<<45) != 0 {
return 237
} else if x[3]&(1<<46) != 0 {
return 238
} else if x[3]&(1<<47) != 0 {
return 239
} else if x[3]&(1<<48) != 0 {
return 240
} else if x[3]&(1<<49) != 0 {
return 241
} else if x[3]&(1<<50) != 0 {
return 242
} else if x[3]&(1<<51) != 0 {
return 243
} else if x[3]&(1<<52) != 0 {
return 244
} else if x[3]&(1<<53) != 0 {
return 245
} else if x[3]&(1<<54) != 0 {
return 246
} else if x[3]&(1<<55) != 0 {
return 247
} else if x[3]&(1<<56) != 0 {
return 248
} else if x[3]&(1<<57) != 0 {
return 249
} else if x[3]&(1<<58) != 0 {
return 250
} else if x[3]&(1<<59) != 0 {
return 251
} else if x[3]&(1<<60) != 0 {
return 252
} else if x[3]&(1<<61) != 0 {
return 253
} else if x[3]&(1<<62) != 0 {
return 254
} else if x[3]&(1<<63) != 0 {
return 255
}
return -1
}
func main() {
const ones = ^uint64(0)
for i := 0; i < 256; i++ {
bits := [4]uint64{ones, ones, ones, ones}
// clear bottom i bits
bits[i/64] ^= 1<<(uint(i)&63) - 1
for j := i/64 - 1; j >= 0; j-- {
bits[j] = 0
}
k := test(bits)
if k != i {
print("test(bits)=", k, " want ", i, "\n")
panic("failed")
}
}
}