Emil Kieri 35b89bc24c [clang][driver] Disable non-functional --version option for clang -cc1
This patch removes --version as a clang -cc1 option.
  clang --version
and
  clang --cc1 -version
remain valid. This behaviour is consistent with clang -cc1as.

Previously, clang -cc1 accepted both --version and -version, but
only -version was acted upon. The call
  clang -cc1 --version
stalled without any message: --version was an accepted option but
triggered no action, and the driver waited for standard input.

Reviewed By: thakis

Differential Revision: https://reviews.llvm.org/D122344
2022-03-25 19:04:27 +01:00

13 lines
559 B
C

// RUN: not %clang_cc1 %s -E --helium 2>&1 | \
// RUN: FileCheck %s
// RUN: not %clang_cc1 %s -E --hel[ 2>&1 | \
// RUN: FileCheck %s --check-prefix=DID-YOU-MEAN
// RUN: not %clang %s -E -Xclang --hel[ 2>&1 | \
// RUN: FileCheck %s --check-prefix=DID-YOU-MEAN
// RUN: not %clang_cc1 --version 2>&1 | \
// RUN: FileCheck %s --check-prefix=DID-YOU-MEAN-VER
// CHECK: error: unknown argument: '--helium'
// DID-YOU-MEAN: error: unknown argument '--hel['; did you mean '--help'?
// DID-YOU-MEAN-VER: error: unknown argument '--version'; did you mean '-version'?