Fix 'gcc.dg/tree-ssa/return-value-range-1.c' for 'char' defaulting to 'unsigned'

... added in recent commit 53ba8d669550d3a1f809048428b97ca607f95cf5
"inter-procedural value range propagation", fixed in
commit 878a860cae78146d98d7a21612f0bcec0930a9c2
"Fix 'gcc.dg/tree-ssa/return-value-range-1.c'".

	gcc/testsuite/
	* gcc.dg/tree-ssa/return-value-range-1.c: Fix.

diff --git a/gcc/testsuite/gcc.dg/tree-ssa/return-value-range-1.c b/gcc/testsuite/gcc.dg/tree-ssa/return-value-range-1.c
index 74f1a5080bb90f240e3f0ea9a31a4ea733cb31ea..97294482c05e03165c7ac062a0526ca232889c78 100644 (file)
--- a/gcc/testsuite/gcc.dg/tree-ssa/return-value-range-1.c
+++ b/gcc/testsuite/gcc.dg/tree-ssa/return-value-range-1.c
@@ -1,7 +1,7 @@
 /* { dg-do link } */
 /* { dg-options "-O2 -fdump-tree-evrp-details" } */
 __attribute__ ((__noinline__))
-int a(char c)
+int a(signed char c)
 {
        return c;
 }