message: doc(compiler) Fix links to GCC.
diff: @@ -116,8 +116,8 @@ impl CpuFeature {
  // here by architectures:
  //
  // X86: https://gcc.gnu.org/onlinedocs/gcc/x86-Options.html
  -// ARM: https://gcc.gnu.org/onlinedocs/gcc/gcc/ARM-Options.html
  -// Aarch64: https://gcc.gnu.org/onlinedocs/gcc/gcc/AArch64-Options.html
  +// ARM: https://gcc.gnu.org/onlinedocs/gcc/ARM-Options.html
  +// Aarch64: https://gcc.gnu.org/onlinedocs/gcc/AArch64-Options.html
  impl FromStr for CpuFeature {
  type Err = ParseCpuFeatureError;
  