panic on passing non-string key to map()

[alxrem]

Terraform Version

Terraform v0.12.10
+ provider.local v1.3.0

Terraform Configuration Files

locals {
	a = map(1, 1)
}

Debug Output

https://gist.github.com/alxrem/16972d40bbfe8df2fbecac6720a9b5a8

Crash Output

https://gist.github.com/alxrem/af55977e452fbd3c6be0c192c05bc3bd

Expected Behavior

Error message from syntax parser.

Actual Behavior

Panic

Steps to Reproduce

cat <<EOF >bug.tf
locals {
	a = map(1, 1)
}
EOF
terraform init
terraform plan

[mjgpy3]

@alxrem this function appears to be depreciated in terraform 0.12: https://www.terraform.io/docs/configuration/functions/map.html

[alxrem]

Thank you. I don't use it, only reported the noticed bug.

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