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Validate sign of RHS matches LHS for scalar variable declarations

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Statements like `var u : u32 = 0;` should fail because '0' is a signed
integer being used to initialize an unsigned variable.

Added test.

Bug: tint:79
Change-Id: I34f6d21b4355167f49f9a8b5d4ed34a808823185
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/42702
Reviewed-by: Ben Clayton <bclayton@google.com>
Reviewed-by: Antonio Maiorano <amaiorano@google.com>
Commit-Queue: Antonio Maiorano <amaiorano@google.com>
This commit is contained in:
Antonio Maiorano
2021-02-26 18:25:56 +00:00
committed by Commit Bot service account
parent e5c105d40a
commit 6ce2edfa1f
5 changed files with 78 additions and 2 deletions
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2
src/ast/module_clone_test.cc
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@@ -68,7 +68,7 @@ fn f0(p0 : bool) -> f32 {
fn f1(p0 : f32, p1 : i32) -> f32 {
var l0 : i32 = 3;
var l1 : f32 = 8;
var l1 : f32 = 8.0;
var l2 : u32 = bitcast<u32>(4);
var l3 : vec2<u32> = vec2<u32>(l0, l1);
var l4 : S;