diff options
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/g++.dg/lto/pr87229_0.C | 7 | ||||
| -rw-r--r-- | gcc/tree.c | 7 |
4 files changed, 25 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 9803871..9cd89fb 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2018-11-19 Richard Biener <rguenther@suse.de> + + PR lto/87229 + * tree.c (free_lang_data_in_one_sizepos): Free non-gimple-val + sizepos values. + 2018-11-19 Eric Botcazou <ebotcazou@adacore.com> * compare-elim.c (struct comparison): Add not_in_a field. diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 3fff2c8..5fce6a8 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2018-11-19 Richard Biener <rguenther@suse.de> + + PR lto/87229 + * g++.dg/lto/pr87229_0.C: New testcase. + 2018-11-19 Martin Liska <mliska@suse.cz> * g++.dg/gcov/pr84548.C: Remove remove-gcda. diff --git a/gcc/testsuite/g++.dg/lto/pr87229_0.C b/gcc/testsuite/g++.dg/lto/pr87229_0.C new file mode 100644 index 0000000..1c20e80 --- /dev/null +++ b/gcc/testsuite/g++.dg/lto/pr87229_0.C @@ -0,0 +1,7 @@ +// { dg-lto-do assemble } + +struct Main { Main(char* x); }; + +Main::Main(char* x) { + char cfg[__builtin_strlen(x)]; +} @@ -5254,6 +5254,13 @@ free_lang_data_in_one_sizepos (tree *expr_p) tree expr = *expr_p; if (CONTAINS_PLACEHOLDER_P (expr)) *expr_p = build0 (PLACEHOLDER_EXPR, TREE_TYPE (expr)); + /* ??? We have to reset all non-GIMPLE sizepos because those eventually + refer to trees we cannot stream. See for example PR87229 which + shows an example with non-gimplified abstract origins in C++. + Note this should only happen for abstract copies so setting sizes + to NULL is OK (but we cannot easily assert this). */ + else if (expr && !is_gimple_val (expr)) + *expr_p = NULL_TREE; } |