fix: switch default case only executes when no case matches#313
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Summary
defaultcases now work correctly — default only runs when no case matchesswitch-basic.tsandswitch-string.ts(skip count 18 → 16)The fix builds an if-else-if chain bottom-up instead of independent if-statements. Uses object creation (not mutation) to avoid a native compiler codegen bug with interface field assignment.
Test plan
switch-basic.tspasses (both compilers)switch-string.tspasses (both compilers)npm run verify:quickpasses (tests + Stage 1 self-hosting)🤖 Generated with Claude Code