compat-libgfortran-48/gcc48-rh1469697-13.patch

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2021-01-21 00:56:15 +00:00
* config/i386/i386.c (ix86_expand_prologue): Tighten assert
for int_registers_saved.
diff -rup a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
--- a/gcc/config/i386/i386.c 2017-11-03 10:39:24.585633524 -0600
+++ b/gcc/config/i386/i386.c 2017-11-03 10:41:10.654774032 -0600
@@ -10686,8 +10686,12 @@ ix86_expand_prologue (void)
&& (flag_stack_check == STATIC_BUILTIN_STACK_CHECK
|| flag_stack_clash_protection))
{
- /* We expect the registers to be saved when probes are used. */
- gcc_assert (int_registers_saved);
+ /* This assert wants to verify that integer registers were saved
+ prior to probing. This is necessary when probing may be implemented
+ as a function call (Windows). It is not necessary for stack clash
+ protection probing. */
+ if (!flag_stack_clash_protection)
+ gcc_assert (int_registers_saved);
if (flag_stack_clash_protection)
{