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Iain Sandoe 1bb8085046 coroutines: Avoid functions with unlowered coroutine trees [PR95087].
Diagnosing bad uses of 'return' in coroutines is somewhat
tricky, since the user can use the keyword before we know
that the function is a coroutine (where such returns are not
permitted).  At present, we are just doing a check for any
use of 'return' and erroring on that.  However, we can't then
pass the function body on, since it will contain unlowered
coroutine trees.

This avoids the issue by dropping the entire function body
under that circumstance.  We could do better (for 11) but
this is intended to allow back-port of other fixes to 10.

gcc/cp/ChangeLog:

	PR c++/95087
	* coroutines.cc (morph_fn_to_coro): If we see an
	early fatal error, drop the erroneous function body.

gcc/testsuite/ChangeLog:

	PR c++/95087
	* g++.dg/coroutines/co-return-syntax-08-bad-return.C:
	Adjust the testcase to do the compile (rather than an
	-fsyntax-only parse).
2020-05-31 20:48:09 +01:00
config Daily bump. 2020-05-30 00:16:27 +00:00
contrib contrib: Add v850e1-elf to config-list.mk 2020-05-31 21:41:55 +02:00
fixincludes Allow CONFIG_SHELL to override build-time shell in mkheaders 2020-02-20 22:09:03 -03:00
gcc coroutines: Avoid functions with unlowered coroutine trees [PR95087]. 2020-05-31 20:48:09 +01:00
gnattools
gotools libgo: update to Go1.14beta1 2020-01-21 23:53:22 -08:00
include Do not use HAVE_DOS_BASED_FILE_SYSTEM for Cygwin. 2020-04-17 09:22:51 +02:00
INSTALL
intl intl: Unbreak intl build with bison 3 when no regeneration is needed [PR92008] 2020-04-16 11:55:00 +02:00
libada Add `--with-toolexeclibdir=' configuration option 2020-01-24 11:24:25 +00:00
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ChangeLog Daily bump. 2020-05-29 00:16:23 +00:00
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configure jit: port libgccjit to Windows 2020-05-28 14:43:58 -04:00
configure.ac jit: port libgccjit to Windows 2020-05-28 14:43:58 -04:00
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ltmain.sh Do not use HAVE_DOS_BASED_FILE_SYSTEM for Cygwin. 2020-04-17 09:22:51 +02:00
ltoptions.m4
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MAINTAINERS MAINTAINERS: Add myself for write after approval. 2020-05-18 12:21:17 +01:00
Makefile.def Merge top-level configury changes from gdb 2020-04-09 06:52:55 -06:00
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