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libgo: update to Go 1.8 release candidate 1

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Compiler changes:
      * Change map assignment to use mapassign and assign value directly.
      * Change string iteration to use decoderune, faster for ASCII strings.
      * Change makeslice to take int, and use makeslice64 for larger values.
      * Add new noverflow field to hmap struct used for maps.
    
    Unresolved problems, to be fixed later:
      * Commented out test in go/types/sizes_test.go that doesn't compile.
      * Commented out reflect.TestStructOf test for padding after zero-sized field.
    
    Reviewed-on: https://go-review.googlesource.com/35231

gotools/:
	Updates for Go 1.8rc1.
	* Makefile.am (go_cmd_go_files): Add bug.go.
	(s-zdefaultcc): Write defaultPkgConfig.
	* Makefile.in: Rebuild.

From-SVN: r244456
This commit is contained in:
Ian Lance Taylor 2017-01-14 00:05:42 +00:00 • committed by Ian Lance Taylor
parent 829afb8f05
commit c2047754c3
983 changed files with 69318 additions and 17662 deletions
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8
libgo/go/math/sin.go
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@ -146,8 +146,8 @@ func cos(x float64) float64 {
// map zeros to origin
if j&1 == 1 {
j += 1
y += 1
j++
y++
}
j &= 7 // octant modulo 2Pi radians (360 degrees)
if j > 3 {
@ -212,8 +212,8 @@ func sin(x float64) float64 {
// map zeros to origin
if j&1 == 1 {
j += 1
y += 1
j++
y++
}
j &= 7 // octant modulo 2Pi radians (360 degrees)
// reflect in x axis