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IntrinsicTable: remove double underscores

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'__' is reserved in C++, and the 'match__' and 'build__' functions are causing OSS-fuzz builds to fail.

Add the change in tint behavior to the OT notes.

Add end to end tests for underscores. While the GLSL and MSL compilers seem to accept leading and double underscores in identifiers, the tint build failure has highlighted we have more work to do here (crbug.com/tint/1319)

Fixed: oss-fuzz:41214
Bug: tint:1292
Bug: tint:1319
Change-Id: I32b7bf4e0cff26e678b788457f90452c2503da50
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/70480
Commit-Queue: Ben Clayton <bclayton@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: David Neto <dneto@google.com>
This commit is contained in:
Ben Clayton
2021-11-22 15:24:16 +00:00
committed by Tint LUCI CQ
parent 4183051b54
commit 177e7bfa5d
95 changed files with 1279 additions and 19 deletions
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docs/origin-trial-changes.md
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@@ -9,6 +9,7 @@
### New Features
* The `dot()` builtin now supports integer vector types.
* Identifiers can now start with a single leading underscore. [tint:1292](https://crbug.com/tint/1292)
## Changes for M97
@@ -45,4 +46,4 @@
* Hex floats: now correctly errors when the magnitude is non-zero, and the exponent would cause overflow. [tint:1150](https://crbug.com/tint/1150), [tint:1166](https://crbug.com/tint/1166)
* Identifiers beginning with an underscore are now correctly rejected. [tint:1179](https://crbug.com/tint/1179)
* `abs()` fixed for unsigned integers on SPIR-V backend [tint:1179](https://crbug.com/tint/1194)
* `abs()` fixed for unsigned integers on SPIR-V backend