Re-enable armv7-unknown-linux-gnueabihf

Author: sayantn

ci/dox.sh

@@ -25,9 +25,7 @@ dox() {
 if [ -z "$1" ]; then
   dox i686-unknown-linux-gnu
   dox x86_64-unknown-linux-gnu
-  # Disabled temporarily,
-  # See https://github.com/rust-lang/rust/issues/134511
-  #dox armv7-unknown-linux-gnueabihf
+  dox armv7-unknown-linux-gnueabihf
   dox aarch64-unknown-linux-gnu
   dox powerpc-unknown-linux-gnu
   dox powerpc64le-unknown-linux-gnu

crates/std_detect/src/detect/os/linux/arm.rs

@@ -32,3 +32,15 @@ pub(crate) fn detect_features() -> cache::Initializer {
     }
     value
 }
+
+/// Is the CPU known to have a broken NEON unit?
+///
+/// See <https://crbug.com/341598>.
+#[cfg(feature = "std_detect_file_io")]
+fn has_broken_neon(cpuinfo: &super::cpuinfo::CpuInfo) -> bool {
+    cpuinfo.field("CPU implementer") == "0x51"
+        && cpuinfo.field("CPU architecture") == "7"
+        && cpuinfo.field("CPU variant") == "0x1"
+        && cpuinfo.field("CPU part") == "0x04d"
+        && cpuinfo.field("CPU revision") == "0"
+}