[wasm] Enable lazy compilation for asm-wasm pipeline

src/flag-definitions.h

Index: src/flag-definitions.h
diff --git a/src/flag-definitions.h b/src/flag-definitions.h
index f28749c2d71282caf41930f51f1d0bb109eda06e..d828a5cb9e0c6d17e0368d7500008013eb2a61ce 100644
--- a/src/flag-definitions.h
+++ b/src/flag-definitions.h
@@ -547,7 +547,9 @@ DEFINE_BOOL(wasm_break_on_decoder_error, false,
 DEFINE_BOOL(wasm_loop_assignment_analysis, true,
             "perform loop assignment analysis for WASM")
 
-DEFINE_BOOL(validate_asm, false, "validate asm.js modules before compiling")
+DEFINE_BOOL(validate_asm,
+            true,  // TODO(clemensh): Change back to false
+            "validate asm.js modules before compiling")
 DEFINE_BOOL(suppress_asm_messages, false,
             "don't emit asm.js related messages (for golden file testing)")
 DEFINE_BOOL(trace_asm_time, false, "log asm.js timing info to the console")
@@ -587,6 +589,7 @@ DEFINE_BOOL(wasm_code_fuzzer_gen_test, false,
 DEFINE_BOOL(print_wasm_code, false, "Print WebAssembly code")
 DEFINE_BOOL(asm_wasm_lazy_compilation, false,
             "enable lazy compilation for asm-wasm modules")
+DEFINE_IMPLICATION(validate_asm, asm_wasm_lazy_compilation)
 
 // Profiler flags.
 DEFINE_INT(frame_count, 1, "number of stack frames inspected by the profiler")