PR/56153: Rin Okuyama: alpha miscompiles malloca() macro.

2021-05-08 12:23:47 +00:00 · 2021-05-08 12:23:47 +00:00 · 2d56ebfab5
parent 0c720f9cde
commit 2d56ebfab5
1 changed files with 7 additions and 0 deletions
--- a/external/gpl3/gdb/dist/gnulib/import/canonicalize-lgpl.c
+++ b/external/gpl3/gdb/dist/gnulib/import/canonicalize-lgpl.c
@ -114,6 +114,13 @@ alloc_failed (void)
   holds the same value as the value returned.  */

 char *
+#ifdef __alpha__
+/*
+ * toolchain/56153
+ * GCC 10 and 9 miscompile malloca() macro for alpha.
+ */
+__attribute__((optimize("O0")))
+#endif
 __realpath (const char *name, char *resolved)
 {
  char *rpath, *dest, *extra_buf = NULL;