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Produce a more descriptive error if an array type's bound is too large. (#3638)

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This commit is contained in:
Richard Smith
2024-01-23 21:01:34 +00:00
committed by GitHub
parent 65e95942de
commit 099bd5ce26
4 changed files with 43 additions and 23 deletions
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toolchain/check/testdata/array/fail_bound_overflow.carbon
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+6 -6
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@@ -4,17 +4,17 @@
//
// AUTOUPDATE
// CHECK:STDERR: fail_bound_overflow.carbon:[[@LINE+3]]:8: ERROR: Cannot evaluate type expression.
// CHECK:STDERR: fail_bound_overflow.carbon:[[@LINE+3]]:14: ERROR: Array bound of 39999999999999999993 is too large.
// CHECK:STDERR: var a: [i32; 39999999999999999993];
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~~
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~
var a: [i32; 39999999999999999993];
// CHECK:STDERR: fail_bound_overflow.carbon:[[@LINE+6]]:8: ERROR: Cannot implicitly convert from `i32` to `type`.
// CHECK:STDERR: var b: [1; 39999999999999999993];
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~
// CHECK:STDERR: fail_bound_overflow.carbon:[[@LINE+3]]:8: ERROR: Cannot evaluate type expression.
// CHECK:STDERR: fail_bound_overflow.carbon:[[@LINE+3]]:12: ERROR: Array bound of 39999999999999999993 is too large.
// CHECK:STDERR: var b: [1; 39999999999999999993];
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~
var b: [1; 39999999999999999993];
// CHECK:STDOUT: --- fail_bound_overflow.carbon
@@ -27,12 +27,12 @@ var b: [1; 39999999999999999993];
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace package, {.a = %a, .b = %b} [template]
// CHECK:STDOUT: %.loc10_14: i32 = int_literal 39999999999999999993 [template = constants.%.1]
// CHECK:STDOUT: %.loc10_34: type = array_type %.loc10_14, i32
// CHECK:STDOUT: %.loc10_34: type = array_type %.loc10_14, i32 [template = <error>]
// CHECK:STDOUT: %a.var: ref <error> = var a
// CHECK:STDOUT: %a: ref <error> = bind_name a, %a.var
// CHECK:STDOUT: %.loc18_9: i32 = int_literal 1 [template = constants.%.2]
// CHECK:STDOUT: %.loc18_12: i32 = int_literal 39999999999999999993 [template = constants.%.1]
// CHECK:STDOUT: %.loc18_32: type = array_type %.loc18_12, <error>
// CHECK:STDOUT: %.loc18_32: type = array_type %.loc18_12, <error> [template = <error>]
// CHECK:STDOUT: %b.var: ref <error> = var b
// CHECK:STDOUT: %b: ref <error> = bind_name b, %b.var
// CHECK:STDOUT: }