c: `#include <stdlib.h>
		    char **f14a() { return malloc(sizeof(char*)); }
		    void f14b(char **p) {}`,
		body:      `p := C.f14a(); *p = new(C.char); C.f14b(p)`,
		fail:      true,
		expensive: true,
	},
	{
		// Storing a pinned Go pointer into C memory should succeed.
		name: "barrierpinnedok",
		c: `#include <stdlib.h>
		    char **f14a2() { return malloc(sizeof(char*)); }
		    void f14b2(char **p) {}`,

}

const void TFE_MonitoringStringGaugeCellValue(
    TFE_MonitoringStringGaugeCell* cell, TF_Buffer* buf) {
  tensorflow::string value = cell->cell.value();
  void* data = tensorflow::port::Malloc(value.length());
  value.copy(static_cast<char*>(data), value.length(), 0);
  buf->data = data;
  buf->length = value.length();
  buf->data_deallocator = [](void* data, size_t length) {
    tensorflow::port::Free(data);

	profstackdepth           int32

	// debug.malloc is used as a combined debug check
	// in the malloc function and should be set
	// if any of the below debug options is != 0.
	malloc    bool
	inittrace int32
	sbrk      int32
	// traceallocfree controls whether execution traces contain
	// detailed trace data about memory allocation. This value
	// affects debug.malloc only if it is != 0 and the execution

var emptymspan mspan

func allocmcache() *mcache {
	var c *mcache
	systemstack(func() {
		lock(&mheap_.lock)
		c = (*mcache)(mheap_.cachealloc.alloc())
		c.flushGen.Store(mheap_.sweepgen)
		unlock(&mheap_.lock)
	})
	for i := range c.alloc {
		c.alloc[i] = &emptymspan
	}
	c.nextSample = nextSample()
	return c
}

// freemcache releases resources associated with this

	return true
}

//go:nosplit
func semacreate(mp *m) {
	if mp.waitsema != 0 {
		return
	}

	var sem *semt

	// Call libc's malloc rather than malloc. This will
	// allocate space on the C heap. We can't call malloc
	// here because it could cause a deadlock.
	mp.libcall.fn = uintptr(unsafe.Pointer(&libc_malloc))
	mp.libcall.n = 1
	mp.scratch = mscratch{}

// such as this one:
//
//	package p
//	import "C"
//	import "fmt"
//	type T int
//	const k = 3
//	var x, y = fmt.Println()
//	func f() { ... }
//	func g() { ... C.malloc(k) ... }
//	func (T) f(int) string { ... }
//
// we synthesize a new ast.File, shown below, that dot-imports the
// original "cooked" package using a special name ("·this·"), so that all

	// nothing to run, just make sure this compiles.
	_ = C.X
}

// issue 6390

func test6390(t *testing.T) {
	p1 := C.malloc(1024)
	if p1 == nil {
		t.Fatalf("C.malloc(1024) returned nil")
	}
	p2 := C.malloc(0)
	if p2 == nil {
		t.Fatalf("C.malloc(0) returned nil")
	}
	C.free(p1)
	C.free(p2)
}

func test6472() {
	// nothing to run, just make sure this compiles

	{"kern.hostid", []_C_int{1, 11}},
	{"kern.hostname", []_C_int{1, 10}},
	{"kern.intrcnt.nintrcnt", []_C_int{1, 63, 1}},
	{"kern.job_control", []_C_int{1, 19}},
	{"kern.malloc.buckets", []_C_int{1, 39, 1}},
	{"kern.malloc.kmemnames", []_C_int{1, 39, 3}},
	{"kern.maxclusters", []_C_int{1, 67}},
	{"kern.maxfiles", []_C_int{1, 7}},
	{"kern.maxlocksperuid", []_C_int{1, 70}},
	{"kern.maxpartitions", []_C_int{1, 23}},

	{"kern.hostid", []_C_int{1, 11}},
	{"kern.hostname", []_C_int{1, 10}},
	{"kern.intrcnt.nintrcnt", []_C_int{1, 63, 1}},
	{"kern.job_control", []_C_int{1, 19}},
	{"kern.malloc.buckets", []_C_int{1, 39, 1}},
	{"kern.malloc.kmemnames", []_C_int{1, 39, 3}},
	{"kern.maxclusters", []_C_int{1, 67}},
	{"kern.maxfiles", []_C_int{1, 7}},
	{"kern.maxlocksperuid", []_C_int{1, 70}},
	{"kern.maxpartitions", []_C_int{1, 23}},

	{"kern.hostid", []_C_int{1, 11}},
	{"kern.hostname", []_C_int{1, 10}},
	{"kern.intrcnt.nintrcnt", []_C_int{1, 63, 1}},
	{"kern.job_control", []_C_int{1, 19}},
	{"kern.malloc.buckets", []_C_int{1, 39, 1}},
	{"kern.malloc.kmemnames", []_C_int{1, 39, 3}},
	{"kern.maxclusters", []_C_int{1, 67}},
	{"kern.maxfiles", []_C_int{1, 7}},
	{"kern.maxlocksperuid", []_C_int{1, 70}},
	{"kern.maxpartitions", []_C_int{1, 23}},