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main/gcc6: fix build (MR 3153)

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Fix the build failure when built with newer gcc:

/home/pmos/build/src/gcc-6.4.0/gcc/config/i386/i386.c: In function 'int function_arg_advance_32(CUMULATIVE_ARGS*, machine_mode, const_tree, long int, long int)':
/home/pmos/build/src/gcc-6.4.0/gcc/config/i386/i386.c:8743:18: error: converting to 'bool' from 'std::nullptr_t' requires direct-initialization [-fpermissive]
 8743 |   bool error_p = NULL;
      |                  ^~~~

Patch source: https://svnweb.freebsd.org/ports/head/lang/gcc7/files/patch-gcc_config_i386_i386.c?view=markup&pathrev=545751
This commit is contained in:
Luca Weiss 2022-05-24 22:27:01 +02:00 • committed by Bart Ribbers
parent 19809ae262
commit d23fd662f2
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2 changed files with 37 additions and 3 deletions
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30
main/gcc6/0015-fix-error_p-null-error.patch Normal file
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@ -0,0 +1,30 @@
This fixes
/wrkdirs/usr/ports/lang/gcc7/work/gcc-7.5.0/gcc/config/i386/i386.c:9631:8: error: cannot initialize a variable of type 'bool' with an rvalue of type 'nullptr_t'
bool error_p = NULL;
^ ~~~~
and comes from upstream as part of
commit 9f36390d429502f0a0dee20bda5b4870da948f6a
Author: Uros Bizjak <ubizjak@gmail.com>
Date: Sat May 6 09:01:51 2017 +0200
i386.c (ext_80387_constant_init): Do not explicitly initialize to zero.
* config/i386/i386.c (ext_80387_constant_init): Do not explicitly
initialize to zero.
(init_regs): Remove declaration.
(function_arg_advance_32): Initialize error_p as boolean variable.
--- a/gcc/config/i386/i386.c 2019-11-01 20:30:26 UTC
+++ b/gcc/config/i386/i386.c 2019-11-01 20:30:26 UTC
@@ -9628,7 +9628,7 @@ function_arg_advance_32 (CUMULATIVE_ARGS *cum, machine
HOST_WIDE_INT words)
{
int res = 0;
- bool error_p = NULL;
+ bool error_p = false;
if (TARGET_IAMCU)
{