compiletest: Require explicit --filecheck-prefixes

[tgross35]

Fixes: #134510

r? @ghost

try-job: aarch64-apple
try-job: i686-gnu-*
try-job: test-various
try-job: x86_64-msvc-1
try-job: x86_64-msvc-2

[rustbot]

Some changes occurred in src/tools/compiletest

cc @jieyouxu

Some changes occurred in tests/codegen-llvm/sanitizer

cc @rcvalle

[tgross35]

@bors2 try

[rust-log-analyzer]

The job test-various failed! Check out the build log: (web) (plain enhanced) (plain)

Click to see the possible cause of the failure (guessed by this bot)

failures:

---- [codegen] tests/codegen-llvm/codemodels.rs#MODEL-KERNEL stdout ----

error in revision `MODEL-KERNEL`: verification with 'FileCheck' failed
status: exit status: 2
command: "/checkout/obj/build/x86_64-unknown-linux-gnu/ci-llvm/bin/FileCheck" "--input-file" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/codegen-llvm/codemodels.MODEL-KERNEL/codemodels.ll" "/checkout/tests/codegen-llvm/codemodels.rs" "--dump-input-context" "100"
stdout: none
--- stderr -------------------------------
error: no check strings found with prefix 'CHECK:'
------------------------------------------


---- [codegen] tests/codegen-llvm/codemodels.rs#MODEL-LARGE stdout ----

error in revision `MODEL-LARGE`: verification with 'FileCheck' failed
status: exit status: 2
command: "/checkout/obj/build/x86_64-unknown-linux-gnu/ci-llvm/bin/FileCheck" "--input-file" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/codegen-llvm/codemodels.MODEL-LARGE/codemodels.ll" "/checkout/tests/codegen-llvm/codemodels.rs" "--dump-input-context" "100"
stdout: none
--- stderr -------------------------------
error: no check strings found with prefix 'CHECK:'
------------------------------------------


---- [codegen] tests/codegen-llvm/codemodels.rs#MODEL-MEDIUM stdout ----

error in revision `MODEL-MEDIUM`: verification with 'FileCheck' failed
status: exit status: 2
command: "/checkout/obj/build/x86_64-unknown-linux-gnu/ci-llvm/bin/FileCheck" "--input-file" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/codegen-llvm/codemodels.MODEL-MEDIUM/codemodels.ll" "/checkout/tests/codegen-llvm/codemodels.rs" "--dump-input-context" "100"
stdout: none
--- stderr -------------------------------
error: no check strings found with prefix 'CHECK:'
------------------------------------------


---- [codegen] tests/codegen-llvm/codemodels.rs#MODEL-SMALL stdout ----

error in revision `MODEL-SMALL`: verification with 'FileCheck' failed
status: exit status: 2
command: "/checkout/obj/build/x86_64-unknown-linux-gnu/ci-llvm/bin/FileCheck" "--input-file" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/codegen-llvm/codemodels.MODEL-SMALL/codemodels.ll" "/checkout/tests/codegen-llvm/codemodels.rs" "--dump-input-context" "100"
stdout: none
--- stderr -------------------------------
error: no check strings found with prefix 'CHECK:'
------------------------------------------


---- [codegen] tests/codegen-llvm/codemodels.rs#NOMODEL stdout ----

error in revision `NOMODEL`: verification with 'FileCheck' failed
status: exit status: 2
command: "/checkout/obj/build/x86_64-unknown-linux-gnu/ci-llvm/bin/FileCheck" "--input-file" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/codegen-llvm/codemodels.NOMODEL/codemodels.ll" "/checkout/tests/codegen-llvm/codemodels.rs" "--dump-input-context" "100"
stdout: none
--- stderr -------------------------------
error: no check strings found with prefix 'CHECK:'
------------------------------------------


---- [codegen] tests/codegen-llvm/simd/packed-simd.rs#opt3 stdout ----

error in revision `opt3`: verification with 'FileCheck' failed
status: exit status: 2
command: "/checkout/obj/build/x86_64-unknown-linux-gnu/ci-llvm/bin/FileCheck" "--input-file" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/codegen-llvm/simd/packed-simd.opt3/packed-simd.ll" "/checkout/tests/codegen-llvm/simd/packed-simd.rs" "--dump-input-context" "100" "--check-prefixes=CHECK,opt3"
stdout: none
--- stderr -------------------------------
error: no check strings found with prefix 'opt3:'
------------------------------------------

[rust-bors]

💔 Test for 37206fb failed: CI. Failed jobs:

• try - aarch64-apple (web logs, extended logs)
• try - i686-gnu-1 (web logs, extended logs)
• try - i686-gnu-2 (web logs, extended logs)
• try - i686-gnu-nopt-1 (web logs, extended logs)
• (and 4 other jobs)