if p.Standard && p.ImportPath == "runtime/cgo" {
		cgoflags = append(cgoflags, "-import_runtime_cgo=false")
	}
	if p.Standard && (p.ImportPath == "runtime/race" || p.ImportPath == "runtime/msan" || p.ImportPath == "runtime/cgo" || p.ImportPath == "runtime/asan") {
		cgoflags = append(cgoflags, "-import_syscall=false")
	}

	// cgoLDFLAGS, which includes p.CgoLDFLAGS, can be very long.
	// Pass it to cgo on the command line, so that we use a

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package main

// This program hung when run under the C/C++ ThreadSanitizer. TSAN installs a
// libc interceptor that writes signal handlers to a global variable within the
// TSAN runtime instead of making a sigaction system call. A bug in
// syscall.runtime_AfterForkInChild corrupted TSAN's signal forwarding table

apiVersion: release-notes/v2
kind: bug-fix
area: security
releaseNotes:
  - |

			}
		}
		switch {
		case IsInf(y, 0):
			return Copysign(3*Pi/4, y)
		default:
			return Copysign(Pi, y)
		}
	case IsInf(y, 0):
		return Copysign(Pi/2, y)
	}

	// Call atan and determine the quadrant.
	q := Atan(y / x)
	if x < 0 {
		if q <= 0 {
			return q + Pi
		}
		return q - Pi
	}
	return q

		// The return value is on the Go stack. If we are using msan,
		// and if the C value is partially or completely uninitialized,
		// the assignment will mark the Go stack as uninitialized.
		// The Go compiler does not update msan for changes to the
		// stack. It is possible that the stack will remain
		// uninitialized, and then later be used in a way that is
		// visible to msan, possibly leading to a false positive.

	sbld := l.CreateSymForUpdate(p, 0)
	sbld.Addstring(value)
	sbld.SetType(sym.SRODATA)

	// Don't reset the variable's size. String variable usually has size of
	// 2*PtrSize, but in ASAN build it can be larger due to red zone.
	// (See issue 56175.)
	bld.SetData(make([]byte, arch.PtrSize*2))
	bld.SetReadOnly(false)
	bld.ResetRelocs()
	bld.SetAddrPlus(arch, 0, sbld.Sym(), 0)

GLOBL ·atanxmone<> + 0(SB), RODATA, $8

// Atan returns the arctangent, in radians, of the argument.
//
// Special cases are:
//      Atan(±0) = ±0
//      Atan(±Inf) = ±Pi/2Pi
// The algorithm used is minimax polynomial approximation
// with coefficients determined with a Remez exchange algorithm.

TEXT	·atanAsm(SB), NOSPLIT, $0-16
	FMOVD	x+0(FP), F0
	//special case Atan(±0) = ±0
	FMOVD   $(0.0), F1
	FCMPU   F0, F1

*/
import "C"

// allocateStack extends the stack so that stack copying doesn't
// confuse the msan data structures.
//
//go:noinline
func allocateStack(i int) int {
	if i == 0 {
		return i
	}
	return allocateStack(i - 1)
}

// F1 marks a chunk of stack as uninitialized.
// C.f returns an uninitialized struct on the stack, so msan will mark
// the stack as uninitialized.
//
//go:noinline
func F1() uintptr {

John Howard <******@****.***> 1662658353 -0700

	fmt.Println(re.MatchString("Alan Turing"))
	fmt.Printf("%q\n", re.SubexpNames())
	reversed := fmt.Sprintf("${%s} ${%s}", re.SubexpNames()[2], re.SubexpNames()[1])
	fmt.Println(reversed)
	fmt.Println(re.ReplaceAllString("Alan Turing", reversed))
	// Output:
	// true
	// ["" "first" "last"]
	// ${last} ${first}
	// Turing Alan
}

func ExampleRegexp_SubexpIndex() {