gcc/c · 9cdf0363039a61e0949c88435436918d432201c3 · lvzhengyang / riscv-gcc-1

re PR c/80097 (internal compiler error in c_fully_fold_internal with std=c89 and… · 4d1b8e70

re PR c/80097 (internal compiler error in c_fully_fold_internal with std=c89 and -fsanitize=float-divide-by-zero)

	PR c/80097
	* c-typeck.c (build_binary_op): Add EXCESS_PRECISION_EXPR only around
	optional COMPOUND_EXPR with ubsan instrumentation.

	* gcc.dg/ubsan/pr80097.c: New test.

From-SVN: r246302

committed Mar 21, 2017

4d1b8e70

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ChangeLog		Loading commit data...
Make-lang.in		Loading commit data...
c-array-notation.c		Loading commit data...
c-aux-info.c		Loading commit data...
c-convert.c		Loading commit data...
c-decl.c		Loading commit data...
c-errors.c		Loading commit data...
c-fold.c		Loading commit data...
c-lang.c		Loading commit data...
c-lang.h		Loading commit data...
c-objc-common.c		Loading commit data...
c-objc-common.h		Loading commit data...
c-parser.c		Loading commit data...
c-parser.h		Loading commit data...
c-tree.h		Loading commit data...
c-typeck.c		Loading commit data...
config-lang.in		Loading commit data...
gccspec.c		Loading commit data...
gimple-parser.c		Loading commit data...
gimple-parser.h		Loading commit data...