Recognize gccgo error messages.  This uses GCCGO_ERROR, which
is recognized by the gccgo testsuite but is ignored by the
errchk script used with 6g.

method1.go:7:1: error: redefinition of 'M': parameter types changed
method1.go:6:1: note: previous definition of 'M' was here
method1.go:10:1: error: redefinition of 'f': parameter types changed
method1.go:9:1: note: previous definition of 'f' was here
method1.go:13:1: error: redefinition of 'g': parameter names changed
method1.go:12:1: note: previous definition of 'g' was here

R=rsc
DELTA=5  (0 added, 0 deleted, 5 changed)
OCL=18962
CL=19058
1 file changed
tree: e256b08766e3c23d9e40cb8ec225093592f523fe
  1. doc/
  2. include/
  3. lib/
  4. pkg/
  5. src/
  6. test/
  7. usr/