Enable --warn-insts-with-functors-without-type.

configure.ac:
    Require that the installed compiler support this option (which I added
    about two weeks ago).

browser/MDB_FLAGS.in:
compiler/COMP_FLAGS.in:
deep_profiler/DEEP_FLAGS.in:
library/LIB_FLAGS.in:
mdbcomp/MDBCOMP_FLAGS.in:
mfilterjavac/MFILTERJAVAC_FLAGS.in:
profiler/PROF_FLAGS.in:
slice/SLICE_FLAGS.in:
ssdb/SSDB_FLAGS.in:
    Specify this option by default for every directory that contains
    Mercury code.

browser/MDB_FLAGS.in

@@ -4,6 +4,7 @@
 --warn-unknown-format-calls
 --warn-unused-imports
 --warn-inconsistent-pred-order-clauses
+--warn-insts-with-functors-without-type
 --halt-at-warn
 --no-warn-inferred-erroneous
 --no-mercury-stdlib-dir

compiler/COMP_FLAGS.in

@@ -3,6 +3,7 @@
 --warn-known-bad-format-calls
 --warn-unknown-format-calls
 --warn-unused-imports
+--warn-insts-with-functors-without-type
 --halt-at-warn
 --no-warn-inferred-erroneous
 --no-mercury-stdlib-dir

configure.ac

@@ -554,7 +554,7 @@ EOF
             --halt-at-warn \
             $link_static_opt conftest \
             --erlang-native-code \
-            --trace-goal-only-locals-2017-07-05 \
+            --warn-insts-with-functors-without-type \
             --no-ssdb \
             </dev/null >&AC_FD_CC 2>&1 &&
         test "`./conftest 2>&1 | tr -d '\015'`" = "Hello, world" &&

deep_profiler/DEEP_FLAGS.in

@@ -4,6 +4,7 @@
 --warn-unknown-format-calls
 --warn-unused-imports
 --warn-inconsistent-pred-order-clauses
+--warn-insts-with-functors-without-type
 --halt-at-warn
 --no-warn-inferred-erroneous
 --no-mercury-stdlib-dir

library/LIB_FLAGS.in

@@ -5,6 +5,7 @@
 --warn-known-bad-format-calls
 --warn-unknown-format-calls
 --warn-unused-imports
+--warn-insts-with-functors-without-type
 --halt-at-warn
 --no-warn-inferred-erroneous
 --no-mercury-stdlib-dir

mdbcomp/MDBCOMP_FLAGS.in

@@ -4,6 +4,7 @@
 --warn-unknown-format-calls
 --warn-unused-imports
 --warn-inconsistent-pred-order-clauses
+--warn-insts-with-functors-without-type
 --halt-at-warn
 --no-warn-inferred-erroneous
 --no-mercury-stdlib-dir

mfilterjavac/MFILTERJAVAC_FLAGS.in

@@ -3,6 +3,7 @@
 --warn-known-bad-format-calls
 --warn-unknown-format-calls
 --warn-unused-imports
+--warn-insts-with-functors-without-type
 --halt-at-warn
 --no-warn-inferred-erroneous
 --no-mercury-stdlib-dir

profiler/PROF_FLAGS.in

@@ -3,6 +3,7 @@
 --warn-known-bad-format-calls
 --warn-unknown-format-calls
 --warn-unused-imports
+--warn-insts-with-functors-without-type
 --halt-at-warn
 --no-warn-inferred-erroneous
 --no-mercury-stdlib-dir

slice/SLICE_FLAGS.in

@@ -3,6 +3,7 @@
 --warn-known-bad-format-calls
 --warn-unknown-format-calls
 --warn-unused-imports
+--warn-insts-with-functors-without-type
 --halt-at-warn
 --no-warn-inferred-erroneous
 --no-mercury-stdlib-dir

ssdb/SSDB_FLAGS.in

@@ -3,6 +3,7 @@
 --warn-known-bad-format-calls
 --warn-unknown-format-calls
 --warn-unused-imports
+--warn-insts-with-functors-without-type
 --halt-at-warn
 --no-warn-inferred-erroneous
 --no-mercury-stdlib-dir