Subzero, Wasm: Link and run torture tests; bug fixes.

c2wasm-exe.sh

Index: c2wasm-exe.sh
diff --git a/c2wasm-exe.sh b/c2wasm-exe.sh
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index 0000000000000000000000000000000000000000..f7029881c5fe54b5813fe5b84f5a246d742747c9
--- /dev/null
+++ b/c2wasm-exe.sh
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+#!/bin/bash
+
+# TODO (eholk): This script is a hack for debugging and development
+# that should be removed.
+
+./wasm-install/bin/emscripten/emcc "$1" -s BINARYEN=1 \
+  -s 'BINARYEN_METHOD="native-wasm"' -O2 \
+  --em-config wasm-install/emscripten_config_vanilla && \
+./wasm-install/bin/sexpr-wasm a.out.wast -o a.out.wasm && \
+./pnacl-sz a.out.wasm -o a.out.o -filetype=obj -O2 && \
+clang -m32 a.out.o runtime/wasm-runtime.c -g