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Eric Botcazou 436ce7a351 Fix internal error on function call returning extension of limited interface
This is a regression present on the mainline and 13 branch, in the form of a
series of internal errors (3) on a function call returning the extension of
a limited interface.

This is only a partial fix for the first two assertion failures; the third
one is the most problematic and will be dealt with separately.

The first issue is in Instantiate_Type, where we use Base_Type in a specific
case to compute the ancestor of a derived type, which will later trigger the
assertion on line 16960 of sem_ch3.adb since Parent_Base and Generic_Actual
are the same node.  This is changed to use Etype like in other cases around.

The second issue is an unprotected use of Designated_Type on type T in
Analyze_Explicit_Dereference, while another use in an equivalent context
is guarded by Is_Access_Type a few lines above.

gcc/ada
	PR ada/112781
	* sem_ch12.adb (Instantiate_Type): Use Etype instead of Base_Type
	consistently to retrieve the ancestor for a derived type.
	* sem_ch4.adb (Analyze_Explicit_Dereference): Test Is_Access_Type
	consistently before accessing Designated_Type.
2024-01-09 10:49:17 +01:00
.github Minor formatting fix for newly-added file from previous commit 2023-11-01 19:28:56 -04:00
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gcc Fix internal error on function call returning extension of limited interface 2024-01-09 10:49:17 +01:00
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libgo libgo: update configure.ac to upstream GCC 2023-11-30 13:23:53 -08:00
libgomp libgomp: Use absolute pathname to testsuite/flock [PR113192] 2024-01-09 09:54:06 +01:00
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.dir-locals.el
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.gitignore *: add modern gettext 2023-11-14 00:47:11 +01:00
ABOUT-NLS
ar-lib
ChangeLog Daily bump. 2024-01-09 00:17:50 +00:00
ChangeLog.jit
ChangeLog.tree-ssa
compile
config-ml.in LoongArch: Reimplement multilib build option handling. 2023-09-15 10:42:12 +08:00
config.guess
config.rpath
config.sub
configure build: Add libgrust as compilation modules 2023-12-14 13:58:57 +01:00
configure.ac build: Add libgrust as compilation modules 2023-12-14 13:58:57 +01:00
COPYING
COPYING.LIB
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COPYING3
COPYING3.LIB
depcomp
install-sh
libtool-ldflags
libtool.m4 Build: fix error in fixinclude configure 2023-11-22 11:54:33 +01:00
ltgcc.m4
ltmain.sh
ltoptions.m4
ltsugar.m4
ltversion.m4
lt~obsolete.m4
MAINTAINERS MAINTAINERS: Update my email address 2024-01-08 18:52:09 +00:00
Makefile.def build: Add libgrust as compilation modules 2023-12-14 13:58:57 +01:00
Makefile.in build: Add libgrust as compilation modules 2023-12-14 13:58:57 +01:00
Makefile.tpl Makefile.tpl: Avoid race condition in generating site.exp from the top level 2023-11-19 11:07:09 -05:00
missing
mkdep
mkinstalldirs
move-if-change
multilib.am
README
SECURITY.txt secpol: consistent indentation 2023-10-05 12:00:39 -04:00
symlink-tree
test-driver
ylwrap

This directory contains the GNU Compiler Collection (GCC).

The GNU Compiler Collection is free software.  See the files whose
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See the file gcc/doc/gcc.texi (together with other files that it
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