Infer the return type by finding the common type across all cases.
Types that derive from CastableBase will automatically infer to
the common base class.
Change-Id: I2112ca1abae34e55396685e9ebf2da12f8a6e3fc
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/80320
Reviewed-by: Antonio Maiorano <amaiorano@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: Ben Clayton <bclayton@google.com>
Auto-Submit: Ben Clayton <bclayton@google.com>
VS2022 fails with "error C7631: 'info': variable with internal linkage
declared but not defined" because Iguana's type info was not defined.
Moved globals out of internal linkage to fix it.
Change-Id: Ieb24ea04d4328971ada87bf39b7a0b1c2329e45c
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/81660
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
Commit-Queue: Antonio Maiorano <amaiorano@google.com>