910ad36e1a
Clang with debug builds will crash when run with empty target feature input. And the warning message is a little bit confusing. This patch adds an empty check and a new diagnostic to illustrate where goes wrong. Reviewed By: MaskRay, aaron.ballman Differential Revision: https://reviews.llvm.org/D133563
10 lines
611 B
C
10 lines
611 B
C
// RUN: %clang_cc1 -triple aarch64-linux-gnu -target-feature '' -target-feature m %s 2>&1 \
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// RUN: | FileCheck -check-prefix=NO_PREFIX %s
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// NO_PREFIX: warning: feature flag 'm' must start with either '+' to enable the feature or '-' to disable it; flag ignored [-Winvalid-command-line-argument]
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// RUN: %clang_cc1 -triple aarch64-linux-gnu -target-feature '' -target-feature ' n' %s 2>&1 \
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// RUN: | FileCheck -check-prefix=NULL_PREFIX %s
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// NULL_PREFIX: warning: feature flag ' n' must start with either '+' to enable the feature or '-' to disable it; flag ignored [-Winvalid-command-line-argument]
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