middle-end/98070 - fix realloc builtin fnspec

realloc clobbers errno, note that.

2020-12-01  Richard Biener  <rguenther@suse.de>

	PR middle-end/98070
	* builtins.c (builtin_fnspec): realloc is ".Cw ".

diff --git a/gcc/builtins.c b/gcc/builtins.c
index 83b0c1c..e37732f 100644 (file)
--- a/gcc/builtins.c
+++ b/gcc/builtins.c
@@ -13583,7 +13583,7 @@ builtin_fnspec (tree callee)
        return ".cO ";
       /* Realloc serves both as allocation point and deallocation point.  */
       case BUILT_IN_REALLOC:
-       return ".cw ";
+       return ".Cw ";
       case BUILT_IN_GAMMA_R:
       case BUILT_IN_GAMMAF_R:
       case BUILT_IN_GAMMAL_R: