[test] Initial import of an emscripten test suite.

test/emscripten/core/test_exceptions_typed-Os.out

Index: test/emscripten/core/test_exceptions_typed-Os.out
diff --git a/test/emscripten/core/test_exceptions_typed-Os.out b/test/emscripten/core/test_exceptions_typed-Os.out
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index 0000000000000000000000000000000000000000..718f189a41c89205f74d45d80fc0a70bd8ff32a9
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+*CREATING A FOO
+*CREATING A BAR
+*CREATING A QUUX
+*CREATING A QUUX
+*CREATING A CHILD
+start
+
+
+test 0
+  throwing ExFooInstance
+*COPYING A FOO
+*COPYING A FOO
+outer catch foo: 11
+*DESTROYING A FOO (11)
+*DESTROYING A FOO (11)
+
+
+test 1
+  throwing ExBarInstance
+*COPYING A BAR
+*COPYING A BAR
+inner re-throw: 22
+*DESTROYING A BAR (22)
+outer catch bar-ref: 22
+*DESTROYING A BAR (22)
+
+
+test 2
+  throwing ExQuuxInstance
+*COPYING A QUUX
+*COPYING A QUUX
+inner catch quux: 33
+*DESTROYING A QUUX (33)
+*DESTROYING A QUUX (33)
+
+
+test 3
+  throwing ExQuux ptr
+outer catch quux-ptr: 33
+
+
+test 4
+  throwing ExChildInstance
+*CREATING A QUUX
+*COPYING CHILD
+*COPYING A QUUX
+inner catch quux: 44
+*DESTROYING A QUUX (44)
+*DESTROYING A CHILD (44)
+*DESTROYING A QUUX (44)
+
+
+test 5
+  throwing ExChildInstance ptr
+outer catch quux-ptr: 44
+
+
+test 6
+  throwing 42
+outer catch int: 42
+
+
+test 7
+  throwing NULL
+outer catch-all
+
+
+test 8
+  not throwing
+
+
+end
+*DESTROYING A CHILD (44)
+*DESTROYING A QUUX (44)
+*DESTROYING A QUUX (33)
+*DESTROYING A BAR (22)
+*DESTROYING A FOO (11)