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The new warning flag is `-Winvalid-gnu-asm-cast`, which is enabled by default and is a downgradable diagnostic which defaults to an error. This language dialect flag only controls whether a single diagnostic is emitted as a warning or as an error, and has never been expanded to include other behaviors. Given the rather perjorative name, it's better for us to just expose a diagnostic flag for the one warning in question and let the user elect to do `-Wno-error=` if they need to. There's not a lot of use of the language dialect flag in the wild, but there is some use of it. For the time being, this aliases the -f flag to `-Wno-error=invalid-gnu-asm-cast`, but the -f flag can eventually be removed.
6 lines
144 B
C
6 lines
144 B
C
// RUN: %clang -### -fsyntax-only -fheinous-gnu-extensions %s 2>&1 | FileCheck %s
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// CHECK: -Wno-error=invalid-gnu-asm-cast
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int main(void) {}
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