start := unsafe.Pointer(&__start___sancov_cntrs)
	end := unsafe.Pointer(&__stop___sancov_cntrs)

	// PC tables are arrays of ptr-sized integers representing pairs [PC,PCFlags] for every instrumented block.
	// The number of PCs and PCFlags is the same as the number of 8-bit counters. Each PC table entry has
	// the size of two ptr-sized integers. We allocate one more byte than what we actually need so that we can

	}
	return args
}

// CFlags returns the flags to use when invoking the C, C++ or Fortran compilers, or cgo.
func (b *Builder) CFlags(p *load.Package) (cppflags, cflags, cxxflags, fflags, ldflags []string, err error) {
	if cppflags, err = buildFlags("CPPFLAGS", "", p.CgoCPPFLAGS, checkCompilerFlags); err != nil {
		return
	}
	if cflags, err = buildFlags("CFLAGS", DefaultCFlags, p.CgoCFLAGS, checkCompilerFlags); err != nil {

/**
 * @author mbechler
 *
 */
public class AvFlags extends AvPair {

    /**
     * @param raw
     */
    public AvFlags ( byte[] raw ) {
        super(AvPair.MsvAvFlags, raw);
    }


    /**
     * 
     * @param flags
     */
    public AvFlags ( int flags ) {
        this(encode(flags));
    }


    /**
     * 
     * @return flags
     */
    public int getFlags () {

			{path: "net", flags: []string{}},
		},
	},

	// -gcflags=net/...=-S net math
	// applies -S to net and net/http but not math
	{
		args: []string{"net/...=-S"},
		pkgs: []ppfTestPackage{
			{path: "net", flags: []string{"-S"}},
			{path: "net/http", flags: []string{"-S"}},
			{path: "math", flags: []string{}},
		},
	},

	// -gcflags=net/...=-S -gcflags=-m net math

}

func TestToleratesOptimizationFlag(t *testing.T) {
	for _, cflags := range []string{
		"",
		"-O",
	} {
		cflags := cflags
		t.Run(cflags, func(t *testing.T) {
			testenv.MustHaveGoBuild(t)
			testenv.MustHaveCGO(t)
			t.Parallel()

			cmd := exec.Command("go", "build", path("issue14669.go"))
			cmd.Env = append(os.Environ(), "CGO_CFLAGS="+cflags)
			out, err := cmd.CombinedOutput()
			if err != nil {

*/
package cgo

/*

#cgo darwin,!arm64 LDFLAGS: -lpthread
#cgo darwin,arm64 LDFLAGS: -framework CoreFoundation
#cgo dragonfly LDFLAGS: -lpthread
#cgo freebsd LDFLAGS: -lpthread
#cgo android LDFLAGS: -llog
#cgo !android,linux LDFLAGS: -lpthread
#cgo netbsd LDFLAGS: -lpthread
#cgo openbsd LDFLAGS: -lpthread
#cgo aix LDFLAGS: -Wl,-berok
#cgo solaris LDFLAGS: -lxnet
#cgo solaris LDFLAGS: -lsocket

		t.Logf("%s %v -c -o %s %s", cc, cflags, obj, csrcFile)
		if out, err := testenv.Command(t, cc, append(cflags, "-c", "-o", obj, csrcFile)...).CombinedOutput(); err != nil {
			t.Logf("%s", out)
			t.Fatal(err)
		}
	}

	sysoObj := filepath.Join(dir, "ldr.syso")
	t.Logf("%s %v -nostdlib -r -o %s %v", cc, cflags, sysoObj, objs)

	e_shnum     uint16           /* Section header table entry count */
	e_shstrndx  uint16           /* Section header string table index */
}

type elfPhdr struct {
	p_type   uint32 /* Segment type */
	p_flags  uint32 /* Segment flags */
	p_offset uint64 /* Segment file offset */
	p_vaddr  uint64 /* Segment virtual address */
	p_paddr  uint64 /* Segment physical address */
	p_filesz uint64 /* Segment size in file */

	p_filesz uint32 /* Segment size in file */
	p_memsz  uint32 /* Segment size in memory */
	p_flags  uint32 /* Segment flags */
	p_align  uint32 /* Segment alignment */
}

type elfShdr struct {
	sh_name      uint32 /* Section name (string tbl index) */
	sh_type      uint32 /* Section type */
	sh_flags     uint32 /* Section flags */
	sh_addr      uint32 /* Section virtual addr at execution */

			c.cFlags = append(c.cFlags, "-fPIC")
			c.ldFlags = append(c.ldFlags, "-fPIC", "-static-libtsan")
		}

	case "address":
		c.goFlags = append(c.goFlags, "-asan")
		// Set the debug mode to print the C stack trace.
		c.cFlags = append(c.cFlags, "-g")

	case "fuzzer":
		c.goFlags = append(c.goFlags, "-tags=libfuzzer", "-gcflags=-d=libfuzzer")

	default: