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gc: fix crash for nested complex division
R=ken2 CC=golang-dev https://golang.org/cl/1720043
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@ -184,6 +184,7 @@ complexgen(Node *n, Node *res)
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case OINDEX:
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case OIND:
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case ONAME: // PHEAP or PPARAMREF var
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case OCALLFUNC:
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igen(n, &n1, res);
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complexmove(&n1, res);
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regfree(&n1);
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@ -245,7 +246,6 @@ complexgen(Node *n, Node *res)
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case OMUL:
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complexmul(nl, nr, res);
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break;
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// ODIV call a runtime function
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}
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}
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@ -35,4 +35,10 @@ func main() {
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// real, imag, cmplx
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c3 := cmplx(real(c2)+3, imag(c2)-5) + c2
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fmt.Printf("c = %G\n", c3)
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// compiler used to crash on nested divide
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c4 := cmplx(real(c3/2), imag(c3/2))
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if c4 != c3/2 {
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fmt.Printf("c3 = %G != c4 = %G\n", c3, c4)
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}
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}
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