configure: enable -Wshadow-field-in-constructor

Change-Id: I049672c0fe73fd7a0cc31e4aa9f750e64ee8ad70
Signed-off-by: Simon Marchi <simon.marchi@efficios.com>
Reviewed-on: https://review.lttng.org/c/babeltrace/+/8333
Tested-by: jenkins <jenkins@lttng.org>
Reviewed-by: Philippe Proulx <eeppeliteloop@gmail.com>

diff --git a/configure.ac b/configure.ac
index f9f3fab71632018a2e7138fec64a63283edfe148..ef7dbc390112a91ee629476f0303e4edd3ebf96b 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -700,6 +700,10 @@ m4_define([WARN_FLAGS_LIST], [ dnl
   -Wundef dnl
   -Wredundant-decls dnl
   -Wshadow dnl
+  dnl GCC's -Wshadow warns about constructor parameters shadowing fields, but
+  dnl Clang's does not.  Enable Clang's `-Wshadow-field-in-constructor`, to make
+  dnl Clang warn about that.
+  -Wshadow-field-in-constructor dnl
   -Wjump-misses-init dnl
   -Wsuggest-attribute=format dnl
   -Wtautological-constant-out-of-range-compare dnl