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32-bit stack switching bug fix
R=ken OCL=29412 CL=29412
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@ -135,7 +135,7 @@ TEXT setspgoto(SB), 7, $0
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MOVL AX, SP
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PUSHL CX
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JMP BX
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POPL AX
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POPL AX // not reached
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RET
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// bool cas(int32 *val, int32 old, int32 new)
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@ -705,7 +705,7 @@ newstack(void)
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#pragma textflag 7
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void
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sys·morestack(uint64 u)
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sys·morestack(uintptr u)
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{
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while(g == m->g0) {
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// very bad news
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