On 21/2/23 16:30, Pierrick Bouvier wrote:
When compiling for windows-arm64 using clang-15, it reports a sometimes
uninitialized variable. This seems to be a false positive, as a default
case guards switch expressions, preventing to return an uninitialized
value, but clang seems unhappy with assert(0) definition.

$ git grep 'assert(0)' | wc -l
      96

Should we mass-update and forbid 'assert(0)' adding a check in
scripts/checkpatch.pl? Otherwise we'll keep getting similar clang
warnings...

Change code to g_assert_not_reached() fix the warning.

Signed-off-by: Pierrick Bouvier <pierrick.bouv...@linaro.org>
Reviewed-by: Richard Henderson <richard.hender...@linaro.org>
---
  target/ppc/dfp_helper.c | 4 ++--
  1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/target/ppc/dfp_helper.c b/target/ppc/dfp_helper.c
index cc024316d5..5967ea07a9 100644
--- a/target/ppc/dfp_helper.c
+++ b/target/ppc/dfp_helper.c
@@ -121,7 +121,7 @@ static void dfp_set_round_mode_from_immediate(uint8_t r, 
uint8_t rmc,
          case 3: /* use FPSCR rounding mode */
              return;
          default:
-            assert(0); /* cannot get here */
+            g_assert_not_reached();

Reviewed-by: Philippe Mathieu-Daudé <phi...@linaro.org>


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