It will be used to tame the inlining of expression functions.
Tested on x86_64-pc-linux-gnu, committed on trunk
gcc/ada/
* debug.adb (d.8): Document usage.
* fe.h (Debug_Flag_Dot_8): Declare.diff --git a/gcc/ada/debug.adb b/gcc/ada/debug.adb
--- a/gcc/ada/debug.adb
+++ b/gcc/ada/debug.adb
@@ -210,7 +210,7 @@ package body Debug is
-- d.5 Do not generate imported subprogram definitions in C code
-- d.6 Do not avoid declaring unreferenced types in C code
-- d.7 Disable unsound heuristics in gnat2scil (for CP as SPARK prover)
- -- d.8
+ -- d.8 Disable unconditional inlining of expression functions
-- d.9 Disable build-in-place for nonlimited types
-- d_1
@@ -1105,6 +1105,10 @@ package body Debug is
-- issues (e.g., assuming that a low bound of an array parameter
-- of an unconstrained subtype belongs to the index subtype).
+ -- d.8 By default calls to expression functions are always inlined.
+ -- This debug flag turns off this behavior, making them subject
+ -- to the usual inlining heuristics of the code generator.
+
-- d.9 Disable build-in-place for function calls returning nonlimited
-- types.
diff --git a/gcc/ada/fe.h b/gcc/ada/fe.h
--- a/gcc/ada/fe.h
+++ b/gcc/ada/fe.h
@@ -61,10 +61,12 @@ extern void Compiler_Abort (String_Pointer, String_Pointer, Boolean) ATTRIBUTE_N
#define Debug_Flag_Dot_KK debug__debug_flag_dot_kk
#define Debug_Flag_Dot_R debug__debug_flag_dot_r
+#define Debug_Flag_Dot_8 debug__debug_flag_dot_8
#define Debug_Flag_NN debug__debug_flag_nn
extern Boolean Debug_Flag_Dot_KK;
extern Boolean Debug_Flag_Dot_R;
+extern Boolean Debug_Flag_Dot_8;
extern Boolean Debug_Flag_NN;
/* einfo: */
