diff --git a/misc/cgo/test/cgo_test.go b/misc/cgo/test/cgo_test.go
index 8a95b02ac35..64407472089 100644
--- a/misc/cgo/test/cgo_test.go
+++ b/misc/cgo/test/cgo_test.go
@@ -70,5 +70,6 @@ func Test12030(t *testing.T)                 { test12030(t) }
 func TestGCC68255(t *testing.T)              { testGCC68255(t) }
 func TestCallGoWithString(t *testing.T)      { testCallGoWithString(t) }
 func Test14838(t *testing.T)                 { test14838(t) }
+func Test8756(t *testing.T)                  { test8756(t) }
 
 func BenchmarkCgoCall(b *testing.B) { benchCgoCall(b) }
diff --git a/misc/cgo/test/issue8756.go b/misc/cgo/test/issue8756.go
new file mode 100644
index 00000000000..d8ee3b8213d
--- /dev/null
+++ b/misc/cgo/test/issue8756.go
@@ -0,0 +1,17 @@
+package cgotest
+
+/*
+#cgo LDFLAGS: -lm
+#include <math.h>
+*/
+import "C"
+import (
+	"testing"
+
+	"./issue8756"
+)
+
+func test8756(t *testing.T) {
+	issue8756.Pow()
+	C.pow(1, 2)
+}
diff --git a/misc/cgo/test/issue8756/issue8756.go b/misc/cgo/test/issue8756/issue8756.go
new file mode 100644
index 00000000000..5f6b7778ff6
--- /dev/null
+++ b/misc/cgo/test/issue8756/issue8756.go
@@ -0,0 +1,11 @@
+package issue8756
+
+/*
+#cgo LDFLAGS: -lm
+#include <math.h>
+*/
+import "C"
+
+func Pow() {
+	C.pow(1, 2)
+}
diff --git a/src/cmd/go/build.go b/src/cmd/go/build.go
index 6e7f54d9969..3d0326b9677 100644
--- a/src/cmd/go/build.go
+++ b/src/cmd/go/build.go
@@ -3268,7 +3268,6 @@ func (b *builder) cgo(p *Package, cgoExe, obj string, pcCFLAGS, pcLDFLAGS, cgofi
 	outGo = append(outGo, gofiles...)
 
 	// gcc
-
 	cflags := stringList(cgoCPPFLAGS, cgoCFLAGS)
 	for _, cfile := range cfiles {
 		ofile := obj + cfile[:len(cfile)-1] + "o"
@@ -3421,12 +3420,6 @@ func (b *builder) collect(p *Package, obj, ofile string, cgoLDFLAGS, outObj []st
 
 	ldflags = append(ldflags, "-Wl,-r", "-nostdlib")
 
-	if goos == "windows" {
-		// libmingw32 and libmingwex have some inter-dependencies,
-		// so must use linker groups.
-		ldflags = append(ldflags, "-Wl,--start-group", "-lmingwex", "-lmingw32", "-Wl,--end-group")
-	}
-
 	if b.gccSupportsNoPie() {
 		ldflags = append(ldflags, "-no-pie")
 	}
diff --git a/src/cmd/link/internal/ld/lib.go b/src/cmd/link/internal/ld/lib.go
index 9f906080e9b..0df49a7271e 100644
--- a/src/cmd/link/internal/ld/lib.go
+++ b/src/cmd/link/internal/ld/lib.go
@@ -372,6 +372,33 @@ func loadinternal(ctxt *Link, name string) {
 	}
 }
 
+// findLibPathCmd uses cmd command to find gcc library libname.
+// It returns library full path if found, or "none" if not found.
+func (ctxt *Link) findLibPathCmd(cmd, libname string) string {
+	if *flagExtld == "" {
+		*flagExtld = "gcc"
+	}
+	args := hostlinkArchArgs()
+	args = append(args, cmd)
+	if ctxt.Debugvlog != 0 {
+		ctxt.Logf("%s %v\n", *flagExtld, args)
+	}
+	out, err := exec.Command(*flagExtld, args...).Output()
+	if err != nil {
+		if ctxt.Debugvlog != 0 {
+			ctxt.Logf("not using a %s file because compiler failed\n%v\n%s\n", libname, err, out)
+		}
+		return "none"
+	}
+	return strings.TrimSpace(string(out))
+}
+
+// findLibPath searches for library libname.
+// It returns library full path if found, or "none" if not found.
+func (ctxt *Link) findLibPath(libname string) string {
+	return ctxt.findLibPathCmd("--print-file-name="+libname, libname)
+}
+
 func (ctxt *Link) loadlib() {
 	switch Buildmode {
 	case BuildmodeCShared:
@@ -573,28 +600,27 @@ func (ctxt *Link) loadlib() {
 		}
 		if any {
 			if *flagLibGCC == "" {
-				if *flagExtld == "" {
-					*flagExtld = "gcc"
-				}
-				args := hostlinkArchArgs()
-				args = append(args, "--print-libgcc-file-name")
-				if ctxt.Debugvlog != 0 {
-					ctxt.Logf("%s %v\n", *flagExtld, args)
-				}
-				out, err := exec.Command(*flagExtld, args...).Output()
-				if err != nil {
-					if ctxt.Debugvlog != 0 {
-						ctxt.Logf("not using a libgcc file because compiler failed\n%v\n%s\n", err, out)
-					}
-					*flagLibGCC = "none"
-				} else {
-					*flagLibGCC = strings.TrimSpace(string(out))
-				}
+				*flagLibGCC = ctxt.findLibPathCmd("--print-libgcc-file-name", "libgcc")
 			}
-
 			if *flagLibGCC != "none" {
 				hostArchive(ctxt, *flagLibGCC)
 			}
+			if HEADTYPE == obj.Hwindows {
+				if p := ctxt.findLibPath("libmingwex.a"); p != "none" {
+					hostArchive(ctxt, p)
+				}
+				if p := ctxt.findLibPath("libmingw32.a"); p != "none" {
+					hostArchive(ctxt, p)
+				}
+				// TODO: maybe do something similar to peimporteddlls to collect all lib names
+				// and try link them all to final exe just like libmingwex.a and libmingw32.a:
+				/*
+					for:
+					#cgo windows LDFLAGS: -lmsvcrt -lm
+					import:
+					libmsvcrt.a libm.a
+				*/
+			}
 		}
 	} else {
 		hostlinksetup()
@@ -1145,6 +1171,9 @@ func (l *Link) hostlink() {
 		}
 	}
 	if HEADTYPE == obj.Hwindows {
+		// libmingw32 and libmingwex have some inter-dependencies,
+		// so must use linker groups.
+		argv = append(argv, "-Wl,--start-group", "-lmingwex", "-lmingw32", "-Wl,--end-group")
 		argv = append(argv, peimporteddlls()...)
 	}